CVE-2026-55960 Un-negotiated Raw Public Key (RFC 7250) accepted in place of X.509, bypassing chain validation

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55960

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55960

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55960 Un-negotiated Raw Public Key (RFC 7250) accepted in place of X.509, bypassing chain validation

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55960

The CVE-2026-55960 entry describes a vulnerability in wolfSSL builds that support Raw Public Key (RPK). Un-negotiated Raw Public Key (RFC 7250) could be accepted in place of an X.509 certificate by ParseCertRelative(), bypassing trust checks, because a raw public key has no chain. The fix/workaro...

EUVD-2026-39545

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55960

Un-negotiated Raw Public Key RFC 7250 accepted in place of an X.509 certificate, bypassing chain validation. A raw public key has no chain, so ParseCertRelative accepts it without performing any trust verification; it must therefore only be accepted when RPK was actually negotiated for that peer...

CVE-2026-55964 Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA (temporary CA exemption)

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

CVE-2026-55964

CVE-2026-55964 describes a change in certificate path validation affecting OpenSSL-compatibility path building (X509_verify_cert / X509_STORE). Previously, chain-supplied temporary CAs (WOLFSSL_TEMP_CA) could be accepted as signing CAs even if the intermediate CA had CA:TRUE but lacked keyCertSig...

CVE-2026-55964

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

CVE-2026-55964 Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA (temporary CA exemption)

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

CVE-2026-55964 Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA (temporary CA exemption)

Chain intermediate CA:TRUE without keyCertSign accepted as a signing CA. Intermediate CA certificates are required to have the keyCertSign key usage when a Key Usage extension is present, but chain-supplied temporary CAs WOLFSSLTEMPCA added while building a certificate path were previously exempt...

Incorrect Authorization

Overview lemur is a Certificate management and orchestration service Affected versions of this package are vulnerable to Incorrect Authorization in the StrictRolePermission and AuthorityCreatorPermission process. An attacker can gain unauthorized access to privileged endpoints by authenticating...

Lemur has an authorization bypass in StrictRolePermission / AuthorityCreatorPermission

Summary StrictRolePermission and AuthorityCreatorPermission in lemur/auth/permissions.py call flaskprincipal.Permission.init with zero Needs when their config flags are unset. Both flags defaulted to False in code prior to the fix, so this was the state of any Lemur install that hadn't explicitly...

GO-2026-5255 nebula-mesh: Decrypted CA private key persists in heap after signing in github.com/forgekeep/nebula-mesh

nebula-mesh: Decrypted CA private key persists in heap after signing in github.com/forgekeep/nebula-mesh...

GO-2026-5226 Oxia's TLS CA certificate chain validation fails with multi-certificate PEM bundles in github.com/oxia-db/oxia

Oxia's TLS CA certificate chain validation fails with multi-certificate PEM bundles in github.com/oxia-db/oxia...

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...

gnutls: gnutls: Certificate validation bypass due to improper handling of URI and SRV SANs

A flaw was found in gnutls. A remote attacker could exploit this vulnerability by presenting a specially crafted certificate that contains Uniform Resource Identifier URI or Service SRV Subject Alternative Names SANs. This could cause the certificate validation process to incorrectly fall back to...

Important: Red Hat Security Advisory: gnutls security update

An update for gnutls is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

gnutls: gnutls: Certificate validation bypass due to oversized Subject Alternative Name

A flaw was found in gnutls. When validating certificates, an oversized Subject Alternative Name SAN could cause the validation process to incorrectly fall back to checking the Common Name CN field. This could allow a remote attacker to bypass proper certificate validation, potentially leading to...