EUVD-2026-91777

A flaw was found in Dogtag PKI pki-core. The CMCAuthForEST authentication plugin fails open when an EST fullcmc enrollment request is submitted via BasicAuth without an end-user TLS client certificate. The SSLCLIENTCERT session attribute retains the EST subsystem's agent certificate, which causes...

GO-2026-6568 Gardener: Authorization Bypass via Group Subject Injection in gardener/gardener

Gardener: Authorization Bypass via Group Subject Injection in gardener/gardener. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners,...

thrift: thrift: Man-in-the-middle attacks via improper certificate validation

A flaw was found in Apache Thrift. During Transport Layer Security TLS certificate validation, the client libraries improperly evaluate the certificate's Common Name CN when subject alternative name SAN entries do not match the target host. A network-positioned attacker possessing a trusted...

PT-2026-105587

Gardener: Authorization Bypass via Group Subject Injection in gardener/gardener. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is causing false-positive reports from vulnerability scanners,...

PT-2026-105162

RabbitMQ is a messaging and streaming broker. Prior to versions 3.13.15, 4.0.20, 4.1.11, and 4.2.6, The management UI uses EJS 1.0 in which does NOT HTML-escape. connection.ejs:135 renders and peer cert issuer directly into the page. The same pattern appears in streamConnection.ejs:102,106,110. T...

AlmaLinux 9.6 [TuxCare] Security Update: gnutls / gnutls-c++ / gnutls-dane / gnutls-devel / gnutls-utils (ALMALINUX9.6:CLSA-2026:1779827686)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1779827686 advisory. - A flaw was found in gnutls. This vulnerability occurs because gnutls performs case-sensitive comparisons of nameConstraints labels,...

CVE-2026-102374

Versions of GestSup prior to 3.2.62 are vulnerable to a stored cross-site scripting (XSS) vulnerability within the IMAP OAuth connector . The root cause is the double-decoding of MIME-encoded email subjects after HTML escaping has already occurred. This allows unauthenticated attackers to send cr...

CVE-2026-91769

A flaw was found in PHP. This vulnerability allows server impersonation and potential information disclosure during Transport Layer Security TLS connections. When verifying peer certificates, PHP improperly falls back to matching the Common Name CN if no Subject Alternative Name SAN matches the...

Linux Distros Unpatched Vulnerability : CVE-2026-89134

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-D...

CVE-2026-89134

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

CVE-2026-89134

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

UBUNTU-CVE-2026-89134

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

CVE-2026-89134 Subject CN name-constraint check bypassed when non-DNS SAN present

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

EUVD-2026-87913

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

CVE-2026-89134

The wolfSSL library (version 5.9.2 ) is vulnerable to a bypass of the Subject CN dNSName name-constraint check . This issue arises because the CN-as-DNS fallback was incorrectly gated on the absence of all alternative names (cert->altNames == NULL) rather than specifically checking for the abs...

CVE-2026-89134 Subject CN name-constraint check bypassed when non-DNS SAN present

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

CVE-2026-89134

A certificate with no dNSName SAN but another SAN type present e.g. registeredID or iPAddress bypassed the Subject CN dNSName name-constraint check. The CN-as-DNS fallback was gated on cert-subjectCN != NULL && cert-altNames == NULL && !cert-isCA instead of "no dNSName SAN", so an out-of-scope CN...

PT-2026-99510

Name of the Vulnerable Software and Affected Versions wolfSSL version 5.9.2 Description A flaw exists where a certificate containing a Subject Alternative Name SAN other than a dNSName such as registeredID or iPAddress, but lacking a dNSName SAN, can bypass the Subject Common Name CN dNSName...

Gardener: Authorization Bypass via Group Subject Injection

Overview The manage-members custom verb authorization check in the Gardener API server's customverbauthorizer admission plugin can be bypassed by adding Group or ServiceAccount subjects to a Project's member list. The check is documented as controlling "human users or groups", but the...

GHSA-GFJV-GQF2-C888 Gardener: Authorization Bypass via Group Subject Injection

Overview The manage-members custom verb authorization check in the Gardener API server's customverbauthorizer admission plugin can be bypassed by adding Group or ServiceAccount subjects to a Project's member list. The check is documented as controlling "human users or groups", but the...