CVE-2026-101025

The NGINX JavaScript (njs) engine is vulnerable to a memory leak (CWE-401) within the ngx_http_js_module when the xml.parse() function fails. The root cause is that the failure path fails to register cleanup, preventing the libxml2 parser context from being released for the lifetime of the proces...

CVE-2026-101025 NGINX ngx_http_js_module vulnerability

Description NGINX JavaScript njs has a vulnerability where the built-in njs engine leaks a libxml2 parser context when xml.parse fails. The failure path did not register cleanup and the context was not released for the lifetime of the process. An unauthenticated attacker may send requests with...

CVE-2026-101025 NGINX ngx_http_js_module vulnerability

Description NGINX JavaScript njs has a vulnerability where the built-in njs engine leaks a libxml2 parser context when xml.parse fails. The failure path did not register cleanup and the context was not released for the lifetime of the process. An unauthenticated attacker may send requests with...

CVE-2026-101019

The NGINX JavaScript (njs) module contains a vulnerability where the njs XML module exposes entity-backed XML attributes inconsistently with libxml2 canonicalization. In both the built-in njs and QuickJS backends, the $attr$Name getter may return undefined for attributes containing internal entit...

K000162614: NGINX ngx_http_js_module vulnerability CVE-2026-101025

Security Advisory Description NGINX JavaScript njs has a vulnerability where the built-in njs engine leaks a libxml2 parser context when xml.parse fails. The failure path did not register cleanup and the context was not released for the lifetime of the process. An unauthenticated attacker may sen...

CVE-2026-78222 NGINX ngx_http_js_module vulnerability

A vulnerability exists in NGINX JavaScript where a malformed HTTP response received by ngx.fetch can crash an NGINX worker when trusted JavaScript reads Response.statusText. Exploitation requires control or influence over the fetched HTTP response. Impact: This vulnerability may allow remote...

CVE-2026-78222

NGINX JavaScript (ngx_http_js_module) is vulnerable to a NULL Pointer Dereference (CWE-476) when a malformed HTTP response received by ngx.fetch() is processed and trusted JavaScript reads Response.statusText, causing an NGINX worker crash . Exploitation requires control or influence over the fet...

K000162603: NGINX ngx_http_js_module vulnerability CVE-2026-78222

Security Advisory Description A vulnerability exists in NGINX JavaScript where a malformed HTTP response received by ngx.fetch can cause an NGINX worker to terminate unexpectedly when trusted JavaScript reads Response.statusText. Exploitation requires control or influence over the fetched HTTP...

K000162599: NGINX ngx_http_js_module vulnerability CVE-2026-18329

Security Advisory Description NGINX JavaScript njs and QuickJS qjs engines have a vulnerability when jsaccess handler performs asynchronous request body processing and an exception is thrown during asynchronous access-control evaluation before an explicit access denial is returned. An...