CVE-2026-30851 Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...

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, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...

CVE-2026-30851

CVE-2026-30851 (Caddy) affects Caddy server up to version 2.11.2. The issue is in forward_auth copy_headers, which fails to strip client-supplied headers, enabling identity injection and privilege escalation. This vulnerability is grounded in the component/behavior described across multiple sourc...

CVE-2026-30851 Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...

CVE-2026-30851 Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...

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, forwardauth copyheaders does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2...

Caddy forward_auth copy_headers Does Not Strip Client-Supplied Headers, Allowing Identity Injection and Privilege Escalation

Summary Caddy's forwardauth directive with copyheaders generates conditional header-set operations that only fire when the upstream auth service includes the named header in its response. No delete or remove operation is generated for the original client-supplied request header with the same name...

PT-2026-23796

Name of the Vulnerable Software and Affected Versions Caddy versions 2.10.0 through 2.11.1 Description Caddy is a server platform that utilizes TLS by default. A flaw exists in the forward auth functionality where the copy headers option fails to remove headers provided by the client. This can le...

CVE-2026-26998

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.38 and 3.6.9, there is a potential vulnerability in Traefik managing the ForwardAuth middleware responses. When Traefik is configured to use the ForwardAuth middleware, the response body from the authentication server is...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to unbounded processing of responses in the ForwardAuth middleware due to the lack of restrictions for maxResponseBodySize configuration. An attacker can cause resource exhaustion...

CVE-2026-27824

A flaw was found in calibre, an e-book manager. A remote attacker can bypass the brute-force protection mechanism in the calibre Content Server by manipulating the X-Forwarded-For header. This vulnerability allows attackers to circumvent IP-based bans, making the server susceptible to credential...

CVE-2026-26365

Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header "Connection: Transfer-Encoding" could result in a forward request with invalid message framing, depending on the Akamai processing pat...

glibc security update

2.34-231.0.1.10 - Forward-port Oracle patches for ol9-u7 Reviewed-by: TBD Oracle history: November-14-2025 Cupertino Miranda - 2.34-231.0.1.2 - Forward-port Oracle patches for ol9-u7 Reviewed-by: Jose E. Marchesi September-24-2025 Cupertino Miranda - 2.34-231.0.1 - Forward-port Oracle patches for...

Drawing the LINE: Cryptographic Analysis and Security Improvements for the LINE E2EE Protocol

LINE has emerged as one of the most popular communication platforms in many East Asian countries, including Thailand and Japan, with millions of active users. Therefore, it is essential to understand its security guarantees. In this work, we present the first provable security analysis of the LIN...

CVE-2026-2615

CVE-2026-2615 affects Wavlink WL-NU516U1. The flaw is in the function singlePortForwardDelete of the file /cgi-bin/firewall.cgi , where manipulating the argument del_flag can lead to remote command injection . The record notes that the attack may be launched remotely and that an exploit has been ...

glibc security update

2.34-231.0.1.10 - Forward-port Oracle patches for ol9-u7 Reviewed-by: TBD Oracle history: November-14-2025 Cupertino Miranda - 2.34-231.0.1.2 - Forward-port Oracle patches for ol9-u7 Reviewed-by: Jose E. Marchesi September-24-2025 Cupertino Miranda - 2.34-231.0.1 - Forward-port Oracle patches for...

CVE-2026-25748

authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentication when using forward authentication in the authentik Proxy Provider when used in conjunction with Traefik or Caddy as reverse proxy. When a malicious...

CVE-2026-25748 authentik has a forward authentication bypass with broken cookie

authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentication when using forward authentication in the authentik Proxy Provider when used in conjunction with Traefik or Caddy as reverse proxy. When a malicious...

CVE-2026-25748 authentik has a forward authentication bypass with broken cookie

authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentication when using forward authentication in the authentik Proxy Provider when used in conjunction with Traefik or Caddy as reverse proxy. When a malicious...

CVE-2026-25748 authentik has a forward authentication bypass with broken cookie

authentik is an open-source identity provider. Prior to 2025.10.4 and 2025.12.4, with a malformed cookie it was possible to bypass authentication when using forward authentication in the authentik Proxy Provider when used in conjunction with Traefik or Caddy as reverse proxy. When a malicious...