CVE-2026-15603
1 advisory.
npm/morgan CVE-2026-15603: medium 5.3, EPSS 0.29%
morgan vulnerable to Log Forging via unescaped Unicode line separators
Action: Upgrade morgan to 1.12.0 or later.
npm i morgan@1.12.0Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1.12.0 | - |
Fixed versions
| 1.12.0 |
Sources
- osv: GHSA-jxfw-x594-9x9m
- https://github.com/expressjs/morgan/security/advisories/GHSA-jxfw-x594-9x9m
- https://nvd.nist.gov/vuln/detail/CVE-2026-15603
- https://github.com/expressjs/morgan/commit/fbf93833186920cc39bb19b247e4a86b61bef4fe
- https://cna.openjsf.org/security-advisories.html
- https://github.com/expressjs/morgan
- https://github.com/expressjs/morgan/releases/tag/1.12.0
CVE-2026-15603 · published · modified · JSON