Use of Incorrectly-Resolved Name or Reference

Overview Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference in StripPrefixRegex, when used together with ForwardAuth, BasicAuth, or DigestAuth. An attacker can gain unauthorized access to protected backend resources by sending requests with...

Use of Incorrectly-Resolved Name or Reference

Overview Affected versions of this package are vulnerable to Use of Incorrectly-Resolved Name or Reference in StripPrefixRegex, when used together with ForwardAuth, BasicAuth, or DigestAuth. An attacker can gain unauthorized access to protected backend resources by sending requests with...

PT-2026-36179

Name of the Vulnerable Software and Affected Versions Traefik versions prior to 2.11.43 Traefik versions prior to 3.6.14 Traefik versions prior to 3.7.0-rc.2 Description An authentication bypass exists in the StripPrefixRegex middleware when used with ForwardAuth, BasicAuth, or DigestAuth. The...

PT-2026-34170

Name of the Vulnerable Software and Affected Versions PJSIP versions 2.16 and earlier Description A stack buffer overflow occurs in the pjsip auth create digest2 function when using pre-computed digest credentials PJSIP CRED DATA DIGEST. The function copies credential data using the cred...

curl: Digest Auth State Leak on Cross-Origin Redirect via Netrc - Username and Password Hash Sent to Wrong Host

Summary When curl follows an HTTP redirect from hostA to hostB using --netrc --digest -L, Digest authentication state nonce, realm from hostA persists and is combined with hostB's netrc credentials to generate an unsolicited Digest Authorization header sent to hostB. This leaks hostB's username i...

[SECURITY] Fedora 43 Update: python-flask-httpauth-4.8.1-1.fc43

FlaskHTTPAuth Basic and Digest HTTP authentication for Flask routes...

AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects

Impact When redirect following is enabled followRedirecttrue, AsyncHttpClient forwards Authorization and Proxy-Authorization headers along with Realm credentials to arbitrary redirect targets regardless of domain, scheme, or port changes. This leaks credentials on cross-domain redirects and...

GO-2026-4893 Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField in github.com/traefik/traefik

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField in github.com/traefik/traefik...

PT-2026-29940

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField in github.com/traefik/traefik...

Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField

Summary There is a potential vulnerability in Traefik's Basic and Digest authentication middlewares when headerField is configured with a non-canonical HTTP header name. An authenticated attacker with valid credentials can inject the canonical version of the configured header to impersonate any...

GHSA-QR99-7898-VR7C Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField

Summary There is a potential vulnerability in Traefik's Basic and Digest authentication middlewares when headerField is configured with a non-canonical HTTP header name. An authenticated attacker with valid credentials can inject the canonical version of the configured header to impersonate any...

User Impersonation

Overview github.com/traefik/traefik/v2/pkg/middlewares/auth is a Cloud Native Application Proxy. Affected versions of this package are vulnerable to User Impersonation through the basicAuth and digestAuth middleware headerField handling in pkg/middlewares/auth/basicauth.go and...

User Impersonation

Overview Affected versions of this package are vulnerable to User Impersonation through the basicAuth and digestAuth middleware headerField handling in pkg/middlewares/auth/basicauth.go and pkg/middlewares/auth/digestauth.go. An attacker can impersonate an arbitrary user identity to backend...

CVE-2026-33433 Traefik Vulnerable to BasicAuth/DigestAuth Identity Spoofing via Non-Canonical headerField

Traefik is an HTTP reverse proxy and load balancer. Prior to versions 2.11.42, 3.6.11, and 3.7.0-ea.3, when headerField is configured with a non-canonical HTTP header name e.g., x-auth-user instead of X-Auth-User, an authenticated attacker can inject their own canonical version of that header to...

CVE-2026-33745

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects 301/302/307/308. A malicious or...

CVE-2026-33745 cpp-httplib Client Leaks Authentication Credentials to Untrusted Hosts on Cross-Origin HTTP Redirect

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects 301/302/307/308. A malicious or...

CVE-2026-33745 cpp-httplib Client Leaks Authentication Credentials to Untrusted Hosts on Cross-Origin HTTP Redirect

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects 301/302/307/308. A malicious or...

CVE-2026-33745 cpp-httplib Client Leaks Authentication Credentials to Untrusted Hosts on Cross-Origin HTTP Redirect

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects 301/302/307/308. A malicious or...

CVE-2026-33745

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.39.0, the cpp-httplib HTTP client forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary hosts when following cross-origin HTTP redirects 301/302/307/308. A malicious or...

PT-2026-28524

Name of the Vulnerable Software and Affected Versions cpp-httplib versions prior to 0.39.0 Description The cpp-httplib HTTP client improperly handles cross-origin HTTP redirects 301, 302, 307, 308. Specifically, it forwards stored Basic Auth, Bearer Token, and Digest Auth credentials to arbitrary...