erlang: Erlang OTP public_key: Certificate validation bypass allows hostname spoofing

A flaw was found in Erlang OTP publickey. This improper certificate validation vulnerability allows a subordinate Certificate Authority CA with restricted DNS nameConstraints to bypass these restrictions. By issuing a leaf certificate that lacks a Subject Alternative Name SAN but contains a craft...

erlang: Erlang OTP: Authentication bypass due to improper OCSP certificate validation

A flaw was found in Erlang OTP's publickey application, specifically in the Online Certificate Status Protocol OCSP response verification. A remote attacker who has obtained the private key of an expired Certificate Authority CA-designated OCSP responder certificate can forge OCSP responses. This...

erlang: Erlang OTP public_key: Certificate chain forgery via improper trust chain validation

A flaw was found in Erlang OTP's publickey module. This vulnerability CWE-295, related to improper certificate validation, allows a non-Certificate Authority CA certificate to be accepted as an intermediate issuer. A remote attacker, holding an end-entity certificate issued by a trusted CA, can...

erlang: Erlang OTP public_key: Certificate chain forgery via improper trust chain validation

A flaw was found in Erlang OTP's publickey module. This vulnerability CWE-295, related to improper certificate validation, allows a non-Certificate Authority CA certificate to be accepted as an intermediate issuer. A remote attacker, holding an end-entity certificate issued by a trusted CA, can...

erlang: Erlang OTP public_key: Certificate validation bypass allows hostname spoofing

A flaw was found in Erlang OTP publickey. This improper certificate validation vulnerability allows a subordinate Certificate Authority CA with restricted DNS nameConstraints to bypass these restrictions. By issuing a leaf certificate that lacks a Subject Alternative Name SAN but contains a craft...

CVE-2026-18616

GL-iNet GL-MT3000 devices (≤ v4.4.5) are affected by a command injection in the wg-server.so Native Plugin, specifically the server.set_peer function in /cgi-bin/glc. The vulnerability stems from improper handling of the public_key argument, enabling remote code execution. Exploitation is possibl...

CVE-2026-18616

A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.setpeer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipulation of the argument publickey leads to command injection. Remote exploitation of the attack is...

CVE-2026-18616: Improper Neutralization of Special Elements used in a Command

A vulnerability was identified in GL-iNet GL-MT3000 up to 4.4.5. The impacted element is the function server.setpeer of the file /cgi-bin/glc of the component wg-server.so Native Plugin. The manipulation of the argument publickey leads to command injection. Remote exploitation of the attack is...

AZL-94202 CVE-2026-59251 affecting package erlang for versions less than 26.2.5.21-4

Allocation of resources without limits in Erlang/OTP publickey certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in publickey:pkixpathvalidation/3...

CVE-2026-59251

Allocation of resources without limits in Erlang/OTP publickey certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in publickey:pkixpathvalidation/3...

CVE-2026-59251

Summary: CVE-2026-59251 is a denial-of-service in Erlang/OTP public_key certificate path validation caused by unbounded growth of the certificate policy tree during RFC 5280 policy processing. The vulnerability occurs when validating TLS certificates; a chain with many policies per certificate ca...

CVE-2026-59251: Allocation of Resources Without Limits or Throttling

Allocation of resources without limits in Erlang/OTP publickey certificate path validation allows a remote unauthenticated attacker to cause denial of service by sending a crafted X.509 certificate chain during the TLS handshake. During RFC 5280 policy processing in publickey:pkixpathvalidation/3...

AZL-89175 CVE-2026-42790 affecting package erlang for versions less than 26.2.5.21-1

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

AZL-89172 CVE-2026-42789 affecting package erlang for versions less than 26.2.5.21-1

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

EUVD-2026-32272

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-42791: Improper Certificate Validation

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows forged OCSP responses signed with an expired responder certificate to be accepted as valid. OCSP response verification in pubkeyocsp:verifyresponse/5 and pubkeyocsp:isauthorizedresponder/3 in...

CVE-2026-42790: Improper Certificate Validation

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeycert and publickey modules allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verification. Two flaws combine to allow a subordinate CA whose DNS nameConstraints are restricted e.g...

CVE-2026-42789: Improper Certificate Validation

Improper Following of a Certificate's Chain of Trust vulnerability in Erlang OTP publickey pubkeycert module allows a non-CA certificate to be accepted as an intermediate issuer, enabling certificate chain forgery. In lib/publickey/src/pubkeycert.erl, pubkeycert:validateextensions/7 contains two...

CVE-2026-32144: Improper Certificate Validation

Improper Certificate Validation vulnerability in Erlang OTP publickey pubkeyocsp module allows OCSP designated-responder authorization bypass via missing signature verification. The OCSP response validation in publickey:pkixocspvalidate/5 does not verify that a CA-designated responder certificate...

CVE-2025-55293: Improper Authentication

Meshtastic is an open source mesh networking solution. Prior to v2.6.3, an attacker can send NodeInfo with a empty publicKey first, then overwrite it with a new key. First sending a empty key bypasses 'if p.publickey.size 0 ', clearing the existing publicKey and resetting the size to 0 for a know...