morgan vulnerable to Log Injection via unescaped double quote in quoted log fields

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-87859 · Microsoft / collected KEV context

EUVD-2026-76027

GHSA-9f6g-j8ch-79g4

cve-program · CVE-2026-87859

• https://github.com/expressjs/morgan/security/advisories/GHSA-9f6g-j8ch-79g4
• https://cna.openjsf.org/security-advisories.html

euvd · EUVD-2026-76027

• https://github.com/expressjs/morgan/security/advisories/GHSA-9f6g-j8ch-79g4
• https://cna.openjsf.org/security-advisories.html

nvd · CVE-2026-87859

• https://cna.openjsf.org/security-advisories.html
• https://github.com/expressjs/morgan/security/advisories/GHSA-9f6g-j8ch-79g4

osv · GHSA-9f6g-j8ch-79g4

• https://github.com/expressjs/morgan/security/advisories/GHSA-9f6g-j8ch-79g4
• https://nvd.nist.gov/vuln/detail/CVE-2026-87859
• https://github.com/expressjs/morgan/commit/4b695edf967ce179cdf4009fe8cddd184b7511ee
• https://cna.openjsf.org/security-advisories.html
• https://github.com/expressjs/morgan
• https://github.com/expressjs/morgan/releases/tag/1.12.1

No related operational record is retained in the current change model.