{"id":"CVE-2026-89135","title":"A failed X509_verify_cert call permanently plants an unverified attacker CA in the shared CertManager, bypassing certificate validation in every type-blind sibling consumer (native TLS, OCSP, CRL, direct CM verify)","summary":"A failed X509_verify_cert call permanently plants an unverified attacker CA in the shared CertManager, bypassing certificate validation in every type-blind sibling consumer (native TLS, OCSP, CRL, direct CM verify). This affects version …","severity":"medium","cvss":6.3,"cvssVector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","cwe":["CWE-295"],"vendor":"wolfSSL","product":"wolfSSL","affected":["wolfSSL >= 5.8.4 <= 5.9.2"],"published":"2026-09-27","updated":"2026-09-27","sourceUpdated":"2026-09-27T10:16:59.157","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89135","references":[{"url":"https://github.com/wolfSSL/wolfssl/pull/11009","label":"facts@wolfssl.com"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-09-27T09:45:46.032Z","slug":"CVE-2026-89135","body":"## Overview\n\nA failed X509_verify_cert call permanently plants an unverified attacker CA in the shared CertManager, bypassing certificate validation in every type-blind sibling consumer (native TLS, OCSP, CRL, direct CM verify). This affects version 5.8.4 through 5.9.2 of wolfSSL with the macros (OPENSSL_EXTRA && !NO_CERTS && !WOLFCRYPT_ONLY) defined or built with --enable-opensslextra and the application is specifically making calls to the X509_verify_cert function.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":35,"depthScoreParts":{"impact":34.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}