Failed X509_verify_cert leaves unverified CA in shared CertManager

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 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.

Problem type

CWE-295 Improper Certificate Validation

Affected products

wolfSSL

wolfSSL

<= 5.9.2 - AFFECTED

References

github.com

https://github.com/wolfSSL/wolfssl/pull/11009

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-89135

Click to expand

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    "assignerOrgId": "50d2cd11-d01a-48ed-9441-5bfce9d63b27",
    "assignerShortName": "wolfSSL",
    "dateUpdated": "2026-09-27T09:14:44.599Z",
    "dateReserved": "2026-09-10T22:38:14.354Z",
    "datePublished": "2026-09-27T09:14:44.599Z",
    "state": "PUBLISHED"
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        "dateUpdated": "2026-09-27T09:14:44.599Z"
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      "datePublic": "2026-09-26T12:00:00.000Z",
      "title": "Failed X509_verify_cert leaves unverified CA in shared CertManager",
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          "value": "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 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.",
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