CVE-2026-27978

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

Linux Distros Unpatched Vulnerability : CVE-2026-27978

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a...

CVE-2026-27978

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

CVE-2026-27978

Next.js (React framework) vulnerability CVE-2026-27978: in versions 16.0.1 up to 16.1.7, origin: null was treated as missing during Server Action CSRF validation, allowing requests from opaque contexts (e.g., sandboxed iframes) to bypass origin verification and potentially trigger state-changing ...

CVE-2026-27978 Next.js: null origin can bypass Server Actions CSRF checks

Next.js is a React framework for building full-stack web applications. Starting in version 16.0.1 and prior to version 16.1.7, origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass...

Cross-site Request Forgery (CSRF)

Overview next is a react framework. Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF due to the uncaught origin: null in the Server Action CSRF validation. An attacker can perform unauthorized state-changing actions on behalf of a user by inducing the user's...

Next.js: null origin can bypass Server Actions CSRF checks

Summary origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass origin verification instead of being validated as cross-origin requests. Impact An attacker could induce a victim browser ...

GHSA-MQ59-M269-XVCX Next.js: null origin can bypass Server Actions CSRF checks

Summary origin: null was treated as a "missing" origin during Server Action CSRF validation. As a result, requests from opaque contexts such as sandboxed iframes could bypass origin verification instead of being validated as cross-origin requests. Impact An attacker could induce a victim browser ...

EUVD-2026-12684

Next.js: null origin can bypass Server Actions CSRF checks...

PT-2026-25909

Name of the Vulnerable Software and Affected Versions Next.js versions 16.0.1 through 16.1.7 Description Next.js, a React framework for building full-stack web applications, had a flaw in its Server Action CSRF validation. Specifically, origin: null was incorrectly treated as a missing origin,...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the setck parameter. An attacker can execute arbitrary JavaScript in the context of the victim's browser by tricking users into clicking a crafted link, potentially allowing actions such as moving, deleting,...

Astro has memory exhaustion DoS due to missing request body size limit in Server Actions

Summary Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. Details On-demand rendered sites built with Astro can define server actions...

EUVD-2026-7451

Astro has memory exhaustion DoS due to missing request body size limit in Server Actions...

GHSA-JM64-8M5Q-4QH8 Astro has memory exhaustion DoS due to missing request body size limit in Server Actions

Summary Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. Details On-demand rendered sites built with Astro can define server actions...

CVE-2026-27729

Astro is a web framework. In versions 9.0.0 through 9.5.3, Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. On-demand rendered sites...

CVE-2026-27729

Astro is a web framework. In versions 9.0.0 through 9.5.3, Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. On-demand rendered sites...

CVE-2026-27729 Astro has memory exhaustion DoS due to missing request body size limit in Server Actions

Astro is a web framework. In versions 9.0.0 through 9.5.3, Astro server actions have no default request body size limit, which can lead to memory exhaustion DoS. A single large POST to a valid action endpoint can crash the server process on memory-constrained deployments. On-demand rendered sites...

CVE-2026-27729

CVE-2026-27729 affects Astro v9.0.0–9.5.3. The vulnerability is due to Astro server actions buffering incoming request bodies (JSON/FormData) without a size limit, enabling unauthenticated denial of service via a single oversized POST to a valid action endpoint, which can crash the server on memo...