CVE-2026-91769

Published 25 September 2026 · tracked since 26 September 2026

Description

PHP's OpenSSL stream peer verification checks the certificate's subjectAltName entries first and, whenever no entry matches, falls back to the Common Name. RFC 6125 requires the CN to be ignored once the certificate presents any service identity, so a certificate carrying a non-matching DNS SAN was

References

• NVD — National Vulnerability Database
• CVE.org record (MITRE)
• CISA Known Exploited Vulnerabilities catalog

Latest tracked vulnerabilities

• CVE-2026-101913
• CVE-2026-101910
• CVE-2026-101906
• CVE-2026-101907
• CVE-2026-101908
• CVE-2026-101909
• CVE-2026-101900
• CVE-2026-101901
• CVE-2026-101902
• CVE-2026-101903

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