EEF-CVE-2026-82756 ash_authentication_oauth2_server interpolates a tenant-derived value into the WWW-Authenticate challenge without escaping, allowing header parameter injection

Summary Improper Encoding or Escaping of Output vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer...

CVE-2026-82756 ash_authentication_oauth2_server interpolates a tenant-derived value into the WWW-Authenticate challenge without escaping, allowing header parameter injection

Improper Encoding or Escaping of Output vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resourcemetadata="..."...

CVE-2026-82756 ash_authentication_oauth2_server interpolates a tenant-derived value into the WWW-Authenticate challenge without escaping, allowing header parameter injection

Improper Encoding or Escaping of Output vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resourcemetadata="..."...

CVE-2026-82756: Improper Encoding or Escaping of Output

Improper Encoding or Escaping of Output vulnerability in ash-project ashauthenticationoauth2server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resourcemetadata="..."...

PT-2026-86926

Improper Encoding or Escaping of Output vulnerability in ash-project ash authentication oauth2 server allows an unauthenticated attacker to inject arbitrary authentication parameters into the WWW-Authenticate challenge header. BearerPlug and RequireScopePlug built the Bearer resource metadata=".....

curl: CVE-2026-86414: leaking host credentials to HTTP proxy

Hi all, I've found that found that an untrusted HTTP proxy can trick libcurl into sending the origin's credentials Basic password, or a Negotiate/Kerberos ticket to the proxy itself, by answering the CONNECT tunnel request with 401 WWW-Authenticate instead of the expected 407 Proxy-Authenticate...

CVE-2026-50630

A flaw was found in apache-cxf. This vulnerability, known as a Carriage Return Line Feed CRLF injection, allows an attacker to manipulate HTTP response headers. By injecting special characters into the 'realm' parameter of the WWW-Authenticate header, an attacker can add arbitrary HTTP headers or...

CVE-2026-48978

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as...

CVE-2026-48978: Server-Side Request Forgery (SSRF)

oras-go is a Go library for managing OCI artifacts. Prior to 2.6.1, auth.Client follows the realm URL from a registry's WWW-Authenticate: Bearer challenge without validating the scheme or host, allowing a malicious or compromised registry to cause SSRF to internal networks such as...

PYSEC-2026-928 OpenStack Swift Cross-site Scriping vulnerability

Cross-site scripting XSS vulnerability in OpenStack Swift 1.11.0 through 1.13.1 allows remote attackers to inject arbitrary web script or HTML via the WWW-Authenticate header...

PYSEC-2026-753 Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates

An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or hostname. An attacker could exploit this by checking the wwwauthenticateuri parameter which is visible to all end users in configuration files. This would give sensitive...

HTTP Response Splitting

OAuth2 AuthorizationUtils is vulnerable to HTTP response splitting. The vulnerability is due to improper sanitization of CR \r and LF \n characters in the realm parameter when constructing the WWW-Authenticate header, allowing attackers to inject arbitrary HTTP headers or manipulate the HTTP...

BBOT: Server-Side Request Forgery (SSRF) in docker_pull module via WWW-Authenticate realm parsing

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

CVE-2026-12566 SSRF via unvalidated WWW-Authenticate realm in docker_pull module

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

CVE-2026-12566

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

PT-2026-50561

Name of the Vulnerable Software and Affected Versions bbot affected versions not specified Description The docker pull module fails to validate the realm parameter received from a Docker registry's WWW-Authenticate response header when using it as the authentication endpoint. A man-in-the-middle...

CVE-2026-12566: Server-Side Request Forgery (SSRF)

The dockerpull module uses the realm parameter from a Docker registry's WWW-Authenticate response header as the authentication endpoint without validation. An attacker in a man-in-the-middle position between bbot and a Docker registry could modify this header to redirect the authentication reques...

EUVD-2026-36398

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return CR and Line Feed LF characters. If an attacker can control the realm value, they can injec...

CVE-2026-50630 Apache CXF: OAuth2: HTTP Response Splitting via WWW-Authenticate Realm Injection

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return CR and Line Feed LF characters. If an attacker can control the realm value, they can injec...

CVE-2026-50630: Improper Neutralization of CRLF Sequences in HTTP Headers

A CRLF injection vulnerability exists in the OAuth2 AuthorizationUtils class. When constructing the WWW-Authenticate response header, the 'realm' parameter is concatenated without sanitizing Carriage Return CR and Line Feed LF characters. If an attacker can control the realm value, they can injec...