Description
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.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_confirm
https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4
Issue Tracking x_refsource_misc
https://github.com/caddyserver/caddy/issues/6610
Issue Tracking x_refsource_misc
https://github.com/caddyserver/caddy/pull/6608
Issue Tracking x_refsource_misc
https://github.com/caddyserver/caddy/pull/7545
Scores
CVSS v3
8.1
EPSS
0.0025
EPSS Percentile
15.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-345
CWE-287
Status
published
Products (2)
caddyserver/caddy
2.10.0 - 2.11.2Go
caddyserver/caddy
2.10.0 - 2.11.2
Published
Mar 07, 2026
Tracked Since
Mar 08, 2026