EUVD-2026-112468Published
Happy DOM: Cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-118661 · Microsoft / collected KEV context
cve-program · CVE-2026-118661
- https://github.com/capricorn86/happy-dom/security/advisories/GHSA-5fpq-26gf-qwcr
- https://github.com/capricorn86/happy-dom/pull/2477
- https://github.com/capricorn86/happy-dom/commit/f21dbd7d0a0c63cdd41954ba5d0f05def4e0f2b3
- https://github.com/capricorn86/happy-dom/releases/tag/v20.14.6
euvd · EUVD-2026-112468
- https://github.com/capricorn86/happy-dom/security/advisories/GHSA-5fpq-26gf-qwcr
- https://github.com/capricorn86/happy-dom/pull/2477
- https://github.com/capricorn86/happy-dom/commit/f21dbd7d0a0c63cdd41954ba5d0f05def4e0f2b3
- https://github.com/capricorn86/happy-dom/releases/tag/v20.14.6
nvd · CVE-2026-118661
- https://github.com/capricorn86/happy-dom/commit/f21dbd7d0a0c63cdd41954ba5d0f05def4e0f2b3
- https://github.com/capricorn86/happy-dom/pull/2477
- https://github.com/capricorn86/happy-dom/releases/tag/v20.14.6
- https://github.com/capricorn86/happy-dom/security/advisories/GHSA-5fpq-26gf-qwcr
osv · GHSA-5fpq-26gf-qwcr
- https://github.com/capricorn86/happy-dom/security/advisories/GHSA-5fpq-26gf-qwcr
- https://github.com/capricorn86/happy-dom/pull/2477
- https://github.com/capricorn86/happy-dom/commit/f21dbd7d0a0c63cdd41954ba5d0f05def4e0f2b3
- https://github.com/capricorn86/happy-dom
- https://github.com/capricorn86/happy-dom/releases/tag/v20.14.6
Related operational evidence
Explicit CVE identifiers- Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/CookieContainer.ts does not correctly validate or match Domain cookie attributes. It… · Advisory content revised · 30 Oct 2026
- Happy DOM is a JavaScript implementation of a web browser without its graphical user interface. Prior to 20.14.6, Happy DOM's CookieContainer in src/cookie/CookieContainer.ts does not correctly validate or match Domain cookie attributes. It… · Advisory content revised · 30 Oct 2026
- Happy DOM: Cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies · Newly collected advisory · 28 Oct 2026
- Happy DOM has cookie scope forgery: no DNS-label boundary on Domain= matching , attacker origin sets victim cookies · Newly collected advisory · 28 Oct 2026