CVE-2026-30851
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.
- Affected products
- Caddy
- Caddyserver Caddy
- < 2.11.2
- Fix
- Available
- CVSS 3.1
- 8.8 HIGH
- EPSS
- 0.2% (16th percentile)
- Weakness
- CWE-287, CWE-345
- NVD status
- Analyzed
- Published
- 2026-03-07
CVE-2026-30851 at NVD
No indexed exploits for CVE-2026-30851 yet
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No exploit for CVE-2026-30851 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.