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CVE-2026-30851

HIGH

8.1

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.

Details CVE

Score CVSS v3.18.1

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisLOW

Interaction utilisateurNONE

Publie3/7/2026

Derniere modification3/11/2026

Sourcenvd

Observations honeypot0

Produits affectes

caddyserver:caddy

Faiblesses (CWE)

CWE-287CWE-345

References

https://github.com/caddyserver/caddy/issues/6610(security-advisories@github.com)

https://github.com/caddyserver/caddy/pull/6608(security-advisories@github.com)

https://github.com/caddyserver/caddy/pull/7545(security-advisories@github.com)

https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4(security-advisories@github.com)

Correlations IOC

Aucune correlation enregistree

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