CVE-2026-87859
1 advisory.
npm/morgan CVE-2026-87859: medium 5.3, EPSS 0.41%
morgan vulnerable to Log Injection via unescaped double quote in quoted log fields
Action: Upgrade morgan to 1.12.1 or later.
npm i morgan@1.12.1Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.12.1 | - |
Fixed versions
| 1.12.1 |
Sources
- 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
CVE-2026-87859 · published · modified · JSON