420 matches found
libssh: libssh: denial of service via automatic certificate authentication loop
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...
CVE-2026-59849
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...
CVE-2026-59849 Libssh: libssh: denial of service via automatic certificate authentication loop
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...
CVE-2026-59849
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...
CVE-2026-59849
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service...
CVE-2026-59849
CVE-2026-59849 affects libssh. Connected advisories show a denial-of-service caused by a logic/loop in automatic certificate-based public key authentication that can loop when certificates are missing or repeatedly rejected. Victim scenario: libssh clients may experience indefinite looping, leadi...
CVE-2026-59849
A flaw was found in libssh. Logic errors in automatic certificate-based public key authentication can cause libssh clients to loop indefinitely when configured certificates are missing or repeatedly rejected by a server, leading to denial of service. Mitigation Do not connect to untrusted SSH...
PT-2026-61948
Name of the Vulnerable Software and Affected Versions libssh versions prior to 0.11.5-1.1 Description Logic errors in automatic certificate-based public key authentication can cause clients to loop indefinitely when configured certificates are missing or are repeatedly rejected by a server,...
GO-2026-5213 OpenBao's Certificate Authentication Allows Token Renewal With Different Certificate in github.com/openbao/openbao
OpenBao's Certificate Authentication Allows Token Renewal With Different Certificate in github.com/openbao/openbao...
CVE-2026-40995 X.509 authentication bypasses Spring Security account checks
X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks disabled, locked, expired, or credentials-expired accounts. Affected versions: Spring Web...
CVE-2026-40995 X.509 authentication bypasses Spring Security account checks
X509AuthenticationProvider could issue a fully authenticated X509AuthenticationToken when a presented certificate mapped to UserDetails, without applying Spring Security's standard account lifecycle checks disabled, locked, expired, or credentials-expired accounts. Affected versions: Spring Web...
CVE-2026-40995
CVE-2026-40995 affects Spring Web Services versions 3.1.0–3.1.8, 4.0.0–4.0.18, 4.1.0–4.1.3, and 5.0.0–5.0.1. The issue arises in the X509AuthenticationProvider, which could issue a fully authenticated X509AuthenticationToken when a presented certificate maps to a UserDetails, without applying Spr...
Information Exposure
Overview Affected versions of this package are vulnerable to Information Exposure due to the Spring Security integration paths in SpringSecurityUtils.checkUserValidity, SpringSecurityPasswordValidationCallbackHandler, and X509AuthenticationProvider, which surface account status exceptions such as...
User Impersonation
Overview org.springframework.security:spring-security-web is a package within Spring Security that provides security services for the Spring IO Platform. Affected versions of this package are vulnerable to User Impersonation via username extraction in SubjectDnX509PrincipalExtractor. An attacker...
Symfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticator
Description X509Authenticator implements client-certificate mTLS authentication: the web server validates the client's certificate against a trusted CA, then passes the certificate's Subject DN Distinguished Name: a string like CN=Alice,O=Example,[email protected] to Symfony via...
ROS-20260527-73-0003
Vulnerability in openbao related to errors in certificate authentication procedure. The vulnerability can be exploited remotely...
PT-2026-44132
Name of the Vulnerable Software and Affected Versions Symfony versions prior to 5.4 Description The X509Authenticator component, which implements client-certificate mTLS authentication, contains a flaw in how it extracts user identifiers from the Subject DN Distinguished Name provided via $...
Unity Linux 20.1070e Security Update: postgresql (UTSA-2026-017752)
The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017752 advisory. When the server is configured to use trust authentication with a clientcert requirement or to use cert authentication, a man-in-the-middle attacker can inject...