Next.js | Breaking Cybersecurity News | The Hacker News

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two six-year-old security flaws impacting Sitecore CMS and Experience Platform (XP) to its Known Exploited Vulnerabilities ( KEV ) catalog, based on evidence of active exploitation. The vulnerabilities are listed below - CVE-2019-9874 (CVSS score: 9.8) - A deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN CVE-2019-9875 (CVSS score: 8.8) - A deserialization vulnerability in the Sitecore.Security.AntiCSRF module that allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN There are currently no details on how the flaws are being weaponized in the wild and by whom, although SiteCore, in an update shared on March 30, 2020, said it became "aware of active exploit...

A critical security flaw has been disclosed in the Next.js React framework that could be potentially exploited to bypass authorization checks under certain conditions. The vulnerability, tracked as CVE-2025-29927 , carries a CVSS score of 9.1 out of 10.0. "Next.js uses an internal header x-middleware-subrequest to prevent recursive requests from triggering infinite loops," Next.js said in an advisory.  "It was possible to skip running middleware , which could allow requests to skip critical checks—such as authorization cookie validation—before reaching routes." It's worth noting that CVE-2025-29927 impacts only self-hosted versions that use "next start" with "output: standalone." Next.js apps hosted on Vercel and Netlify, or deployed as static exports, are not affected. The shortcoming has been addressed in versions 12.3.5, 13.5.9, 14.2.25, and 15.2.3. If patching is not an option, it's recommended that users prevent external user ...