{"@context":"https://openvex.dev/ns/v0.2.0","@id":"https://database.harborguard.co/cve/CVE-2026-42530/vex.json","author":"HarborGuard Database","role":"Document Creator","timestamp":"2026-06-17T15:43:38.758Z","version":1,"tooling":"HarborGuard Database (https://database.harborguard.co)","statements":[{"vulnerability":{"name":"CVE-2026-42530","@id":"https://www.cve.org/CVERecord?id=CVE-2026-42530","description":"NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote unauthenticated attacker along with conditions beyond their control can use a specially crafted HTTP/3 session to reopen a QPACK encoder stream. This may cause a Use-after-Free in the NGINX worker process leading to a restart. Additionally, attackers can execute code on systems with Address Space Layout Randomization (ASLR) disabled or when the atta"},"products":[{"@id":"cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*","identifiers":{"cpe23":"cpe:2.3:a:f5:nginx_open_source:*:*:*:*:*:*:*:*"}}],"status":"affected","action_statement":"Update to a fixed version: 1.31.2.","timestamp":"2026-06-17T15:43:38.758Z"}]}