{"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":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-295"],"vendor":"wolfssl","product":"wolfssl","affected":["wolfssl >= 5.8.4, <= 5.9.2"],"published":"2026-09-27","updated":"2026-10-02","sourceUpdated":"2026-10-02T18:57:29.083","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"],"epss":0.00112,"epssPercentile":0.0134,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-29T16:18:37.143503Z"},"scores":{"nvd":6.5,"cna":6.3},"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## Affected\n\n- `wolfssl >= 5.8.4, <= 5.9.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":215101,"id":"CVE-2026-89135","ts":1790980438552,"field":"cvss","old":"6.3","new":"6.5"}]}