VDB
CVE-2026-30851
CVE-2026-30851
PUBLISHED
CVSS 8.100000381469727 HIGH
Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2.
EPSS 0.02% · 6.7th percentile
Risk Scores
CVSS 3.1
8.100000381469727
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS Score
0.02%
6.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| caddyserver | caddy | >= 2.10.0, < 2.11.2, 2.10.0, * |
| github.com | caddyserver/caddy/v2/modules/caddyhttp/reverseproxy | 2.10.0, 2.10.0 |
Timeline
- Mar 6, 2026 CVE Published
- Mar 7, 2026 PoC Published
- Mar 8, 2026 EPSS Score
- Mar 9, 2026 CVE Updated
- Mar 9, 2026 EPSS Score
- Mar 10, 2026 EPSS Score
- Mar 11, 2026 EPSS Score
- Mar 13, 2026 EPSS Score
- Mar 14, 2026 EPSS Score
- Mar 15, 2026 EPSS Score
- Mar 16, 2026 EPSS Score
- Mar 17, 2026 EPSS Score
References
- https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4 url
- https://github.com/caddyserver/caddy/issues/6610 url
- https://github.com/caddyserver/caddy/pull/6608 url
- https://github.com/caddyserver/caddy/pull/7545 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-30851 advisory
- https://github.com/caddyserver/caddy package