remote code execution | Breaking Cybersecurity News | The Hacker News

SmarterTools has addressed two more security flaws in SmarterMail email software, including one critical security flaw that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-24423 , carries a CVSS score of 9.3 out of 10.0. "SmarterTools SmarterMail versions prior to build 9511 contain an unauthenticated remote code execution vulnerability in the ConnectToHub API method," according to a description of the flaw in CVE.org. "The attacker could point the SmarterMail to the malicious HTTP server, which serves the malicious OS [operating system] command. This command will be executed by the vulnerable application." watchTowr researchers Sina Kheirkhah and Piotr Bazydlo, CODE WHITE GmbH's Markus Wulftange , and VulnCheck's Cale Black have been credited with discovering and reporting the vulnerability. The security hole has been addressed in version Build 9511, released on January 15, 2026. The same build also patches another c...

Ivanti has rolled out security updates to address two security flaws impacting Ivanti Endpoint Manager Mobile (EPMM) that have been exploited in zero-day attacks, one of which has been added by the U.S. Cybersecurity and Infrastructure Security Agency ( CISA ) to its Known Exploited Vulnerabilities (KEV) catalog. The critical-severity vulnerabilities are listed below - CVE-2026-1281 (CVSS score: 9.8) - A code injection allowing attackers to achieve unauthenticated remote code execution CVE-2026-1340 (CVSS score: 9.8) - A code injection allowing attackers to achieve unauthenticated remote code execution They affect the following versions - EPMM 12.5.0.0 and prior, 12.6.0.0 and prior, and 12.7.0.0 and prior (Fixed in RPM 12.x.0.x) EPMM 12.5.1.0 and prior and 12.6.1.0 and prior (Fixed in RPM 12.x.1.x) However, it bears noting that the RPM patch does not survive a version upgrade and must be reapplied if the appliance is upgraded to a new version. The vulnerabilities will...

SolarWinds has released security updates to address multiple security vulnerabilities impacting SolarWinds Web Help Desk, including four critical vulnerabilities that could result in authentication bypass and remote code execution (RCE). The list of vulnerabilities is as follows - CVE-2025-40536 (CVSS score: 8.1) - A security control bypass vulnerability that could allow an unauthenticated attacker to gain access to certain restricted functionality CVE-2025-40537 (CVSS score: 7.5) - A hard-coded credentials vulnerability that could allow access to administrative functions using the "client" user account CVE-2025-40551 (CVSS score: 9.8) - An untrusted data deserialization vulnerability that could lead to remote code execution, which would allow an unauthenticated attacker to run commands on the host machine CVE-2025-40552 (CVSS score: 9.8) - An authentication bypass vulnerability that could allow an unauthenticated attacker to execute actions and methods CVE-202...

Cybersecurity researchers have disclosed two new security flaws in the n8n workflow automation platform, including a crucial vulnerability that could result in remote code execution. The weaknesses, discovered by the JFrog Security Research team, are listed below - CVE-2026-1470 (CVSS score: 9.9) - An eval injection vulnerability that could allow an authenticated user to bypass the Expression sandbox mechanism and achieve full remote code execution on n8n's main node by passing specially crafted JavaScript code CVE-2026-0863 (CVSS score: 8.5) - An eval injection vulnerability that could allow an authenticated user to bypass n8n's python-task-executor sandbox restrictions and run arbitrary Python code on the underlying operating system Shachar Menashe, JFrog's vice president of security research, told The Hacker news that one of the reasons for CVE-2026-1470's high CVSS score despite requiring authentication is that "any user of n8n can exploit this issu...

A critical security flaw has been disclosed in Grist‑Core , an open-source, self-hosted version of the Grist relational spreadsheet-database, that could result in remote code execution. The vulnerability, tracked as CVE-2026-24002 (CVSS score: 9.1), has been codenamed Cellbreak by Cyera Research Labs. "One malicious formula can turn a spreadsheet into a Remote Code Execution (RCE) beachhead," security researcher Vladimir Tokarev, who discovered the flaw, said . "This sandbox escape lets a formula author execute OS commands or run host‑runtime JavaScript, collapsing the boundary between 'cell logic' and host execution." Cellbreak is categorized as a case of Pyodide sandbox escape, the same kind of vulnerability that also recently impacted n8n ( CVE-2025-68668 , CVSS score: 9.9, aka N8scape). The vulnerability has been addressed in version 1.7.9, released on January 9, 2026. "A security review identified a vulnerability in the 'pyodide' ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a critical security flaw affecting Broadcom VMware vCenter Server that was patched in June 2024 to its Known Exploited Vulnerabilities ( KEV ) catalog, citing evidence of active exploitation in the wild. The vulnerability in question is CVE-2024-37079 (CVSS score: 9.8), which refers to a heap overflow in the implementation of the DCE/RPC protocol that could allow a bad actor with network access to vCenter Server to achieve remote code execution by sending a specially crafted network packet. It was resolved by Broadcom in June 2024, along with CVE-2024-37080, another heap overflow in the implementation of the DCE/RPC protocol that could lead to remote code execution. Chinese cybersecurity company QiAnXin LegendSec researchers Hao Zheng and Zibo Li were credited with discovering and reporting the issues. In a presentation at the Black Hat Asia security conference in April 2025, the researchers said ...

A critical security flaw has been disclosed in the GNU InetUtils telnet daemon ( telnetd ) that went unnoticed for nearly 11 years. The vulnerability, tracked as CVE-2026-24061 , is rated 9.8 out of 10.0 on the CVSS scoring system. It affects all versions of GNU InetUtils from version 1.9.3 up to and including version 2.7. "Telnetd in GNU Inetutils through 2.7 allows remote authentication bypass via a '-f root' value for the USER environment variable," according to a description of the flaw in the NIST National Vulnerability Database (NVD). In a post on the oss-security mailing list, GNU contributor Simon Josefsson said the vulnerability can be exploited to gain root access to a target system - The telnetd server invokes /usr/bin/login (normally running as root) passing the value of the USER environment variable received from the client as the last parameter. If the client supply [sic] a carefully crafted USER environment value being the string "-f root...

A new security flaw in SmarterTools SmarterMail email software has come under active exploitation in the wild, two days after the release of a patch. The vulnerability, which currently does not have a CVE identifier, is tracked by watchTowr Labs as WT-2026-0001 . It was patched by SmarterTools on January 15, 2026, with Build 9511 , following responsible disclosure by the exposure management platform on January 8, 2026. Markus Wulftange of CODE WHITE GmbH, the finder has also been credited with reporting the same flaw. It has been described as an authentication bypass flaw that could allow any user to reset the SmarterMail system administrator password by means of a specially crafted HTTP request to the "/api/v1/auth/force-reset-password" endpoint. "The kicker of course being that said user is able to use RCE-as-a-feature functions to directly execute OS [operating system] commands," watchTowr Labs researchers Piotr Bazydlo and Sina Kheirkhah said. The problem ...

Cisco has released fresh patches to address what it described as a "critical" security vulnerability impacting multiple Unified Communications (CM) products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild. The vulnerability, CVE-2026-20045 (CVSS score: 8.2), could permit an unauthenticated remote attacker to execute arbitrary commands on the underlying operating system of a susceptible device. "This vulnerability is due to improper validation of user-supplied input in HTTP requests," Cisco said in an advisory. "An attacker could exploit this vulnerability by sending a sequence of crafted HTTP requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to obtain user-level access to the underlying operating system and then elevate privileges to root." The critical rating for the flaw is due to the fact that its exploitation could allow for privil...

Zoom and GitLab have released security updates to resolve a number of security vulnerabilities that could result in denial-of-service (DoS) and remote code execution. The most severe of the lot is a critical security flaw impacting Zoom Node Multimedia Routers (MMRs) that could permit a meeting participant to conduct remote code execution attacks. The vulnerability, tracked as CVE-2026-22844 and discovered internally by its Offensive Security team, carries a CVSS score of 9.9 out of 10.0. "A command injection vulnerability in Zoom Node Multimedia Routers (MMRs) before version 5.2.1716.0 may allow a meeting participant to conduct remote code execution of the MMR via network access," the company noted in a Tuesday alert. Zoom is recommending that customers using Zoom Node Meetings, Hybrid, or Meeting Connector deployments update to the latest available MMR version to safeguard against any potential threat. There is no evidence that the security flaw has been exploited ...

A security vulnerability has been disclosed in the popular binary-parser npm library that, if successfully exploited, could result in the execution of arbitrary JavaScript. The vulnerability, tracked as CVE-2026-1245 (CVSS score: 6.5), affects all versions of the module prior to version 2.3.0 , which addresses the issue. Patches for the flaw were released on November 26, 2025. Binary-parser is a widely used parser builder for JavaScript that allows developers to parse binary data. It supports a wide range of common data types, including integers, floating-point values, strings, and arrays. The package attracts approximately 13,000 downloads on a weekly basis. According to an advisory released by the CERT Coordination Center (CERT/CC), the vulnerability has to do with a lack of sanitization of user-supplied values, such as parser field names and encoding parameters, when the JavaScript parser code is dynamically generated at runtime using the "Function" constructor. ...

The North Korean threat actors associated with the long-running Contagious Interview campaign have been observed using malicious Microsoft Visual Studio Code (VS Code) projects as lures to deliver a backdoor on compromised endpoints. The latest finding demonstrates continued evolution of the new tactic that was first discovered in December 2025, Jamf Threat Labs said. "This activity involved the deployment of a backdoor implant that provides remote code execution capabilities on the victim system," security researcher Thijs Xhaflaire said in a report shared with The Hacker News. First disclosed by OpenSourceMalware last month, the attack essentially involves instructing prospective targets to clone a repository on GitHub, GitLab, or Bitbucket, and launch the project in VS Code as part of a supposed job assessment. The end goal of these efforts is to abuse VS Code task configuration files to execute malicious payloads staged on Vercel domains, depending on the oper...

A set of three security vulnerabilities has been disclosed in mcp-server-git , the official Git Model Context Protocol ( MCP ) server maintained by Anthropic, that could be exploited to read or delete arbitrary files and execute code under certain conditions. "These flaws can be exploited through prompt injection, meaning an attacker who can influence what an AI assistant reads (a malicious README, a poisoned issue description, a compromised webpage) can weaponize these vulnerabilities without any direct access to the victim's system," Cyata researcher Yarden Porat said in a report shared with The Hacker News. Mcp-server-git is a Python package and an MCP server that provides a set of built-in tools to read, search, and manipulate Git repositories programmatically via large language models (LLMs). The security issues, which have been addressed in versions 2025.9.25 and 2025.12.18 following responsible disclosure in June 2025, are listed below - CVE-2025-68143 (CV...

In cybersecurity, the line between a normal update and a serious incident keeps getting thinner. Systems that once felt reliable are now under pressure from constant change. New AI tools, connected devices, and automated systems quietly create more ways in, often faster than security teams can react. This week's stories show how easily a small mistake or hidden service can turn into a real break-in. Behind the headlines, the pattern is clear. Automation is being used against the people who built it. Attackers reuse existing systems instead of building new ones. They move faster than most organizations can patch or respond. From quiet code flaws to malware that changes while it runs, attacks are focusing less on speed and more on staying hidden and in control. If you're protecting anything connected—developer tools, cloud systems, or internal networks—this edition shows where attacks are going next, not where they used to be. ⚡ Threat of the Week Critical Fortinet Flaw Comes Under...

Cisco on Thursday released security updates for a maximum-severity security flaw impacting Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager, nearly a month after the company disclosed that it had been exploited as a zero-day by a China-nexus advanced persistent threat (APT) actor codenamed UAT-9686. The vulnerability, tracked as CVE-2025-20393 (CVSS score: 10.0), is a remote command execution flaw arising as a result of insufficient validation of HTTP requests by the Spam Quarantine feature. Successful exploitation of the defect could permit an attacker to execute arbitrary commands with root privileges on the underlying operating system of an affected appliance. However, for the attack to work, three conditions must be met - The appliance is running a vulnerable release of Cisco AsyncOS Software The appliance is configured with the Spam Quarantine feature The Spam Quarantine feature is exposed to and reachable from the internet L...

Fortinet has released updates to fix a critical security flaw impacting FortiSIEM that could allow an unauthenticated attacker to achieve code execution on susceptible instances. The operating system (OS) injection vulnerability, tracked as CVE-2025-64155 , is rated 9.4 out of 10.0 on the CVSS scoring system. "An improper neutralization of special elements used in an OS command ('OS command injection') vulnerability [CWE-78] in FortiSIEM may allow an unauthenticated attacker to execute unauthorized code or commands via crafted TCP requests," the company said in a Tuesday bulletin. Fortinet said the vulnerability affects only Super and Worker nodes, and that it has been addressed in the following versions - FortiSIEM 6.7.0 through 6.7.10 (Migrate to a fixed release) FortiSIEM 7.0.0 through 7.0.4 (Migrate to a fixed release) FortiSIEM 7.1.0 through 7.1.8 (Upgrade to 7.1.9 or above) FortiSIEM 7.2.0 through 7.2.6 (Upgrade to 7.2.7 or above) FortiSIEM 7.3.0 thr...

Microsoft on Tuesday rolled out its first security update for 2026 , addressing 114 security flaws, including one vulnerability that it said has been actively exploited in the wild. Of the 114 flaws, eight are rated Critical, and 106 are rated Important in severity. As many as 58 vulnerabilities have been classified as privilege escalation, followed by 22 information disclosure, 21 remote code execution, and five spoofing flaws. According to data collected by Fortra, the update marks the third-largest January Patch Tuesday after January 2025 and January 2022. These patches are in addition to two security flaws that Microsoft has addressed in its Edge browser since the release of the December 2025 Patch Tuesday update, including a spoofing flaw in its Android app ( CVE-2025-65046 , 3.1) and a case of insufficient policy enforcement in Chromium's WebView tag ( CVE-2026-0628 , CVSS score: 8.8). The vulnerability that has come under in-the-wild exploitation is CVE-2026-20805 (CV...

This week made one thing clear: small oversights can spiral fast. Tools meant to save time and reduce friction turned into easy entry points once basic safeguards were ignored. Attackers didn't need novel tricks. They used what was already exposed and moved in without resistance. Scale amplified the damage. A single weak configuration rippled out to millions. A repeatable flaw worked again and again. Phishing crept into apps people rely on daily, while malware blended into routine system behavior. Different victims, same playbook: look normal, move quickly, spread before alarms go off. For defenders, the pressure keeps rising. Vulnerabilities are exploited almost as soon as they surface. Claims and counterclaims appear before the facts settle. Criminal groups adapt faster each cycle. The stories that follow show where things failed—and why those failures matter going forward. ⚡ Threat of the Week Maximum Severity Security Flaw Disclosed in n8n — A maximum-severity vulnerability ...

Trend Micro has released security updates to address multiple security vulnerabilities impacting on-premise versions of Apex Central for Windows, including a critical bug that could result in arbitrary code execution. The vulnerability, tracked as CVE-2025-69258 , carries a CVSS score of 9.8 out of a maximum of 10.0. The vulnerability has been described as a case of remote code execution affecting LoadLibraryEX. "A LoadLibraryEX vulnerability in Trend Micro Apex Central could allow an unauthenticated remote attacker to load an attacker-controlled DLL into a key executable, leading to execution of attacker-supplied code under the context of SYSTEM on affected installations," the cybersecurity company said. Also patched by Trend Micro are two other flaws - CVE-2025-69259 (CVSS score: 7.5) - A message unchecked NULL return value vulnerability in Trend Micro Apex Central could allow a remote, unauthenticated attacker to create a denial-of-service condition on affected ins...

Cybersecurity researchers have disclosed details of multiple critical-severity security flaws affecting Coolify , an open-source, self-hosting platform, that could result in authentication bypass and remote code execution. The list of vulnerabilities is as follows - CVE-2025-66209 (CVSS score: 10.0) - A command injection vulnerability in the database backup functionality allows any authenticated user with database backup permissions to execute arbitrary commands on the host server, resulting in container escape and full server compromise CVE-2025-66210 (CVSS score: 10.0) - An authenticated command injection vulnerability in the database import functionality allows attackers to execute arbitrary commands on managed servers, leading to full infrastructure compromise CVE-2025-66211 (CVSS score: 10.0) - A command injection vulnerability in the PostgreSQL init script management allows authenticated users with database permissions to execute arbitrary commands as root on the server ...