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Findings

CVE-2026-5466

wolfSSL's ECCSI signature verifier decodes the and scalars from the signature blob via with no check that they lie in .

Published Apr 10, 2026 · updated Jun 17, 2026 · wolfssl wolfssl

wolfSSL's ECCSI signature verifier decodes the and scalars from the signature blob via with no check that they lie in . A crafted forged signature could verify against any message for any identity, using only publicly-known constants.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 10, 2026 · NIST NVD

    Detected

    wolfSSL's ECCSI signature verifier decodes the and scalars from the signature blob via with no check that they lie in . A crafted forged signature could verify against any message for any identity, using only publicly-known constants.

  2. Jun 17, 2026 · NIST NVD

    Updated

    wolfSSL's ECCSI signature verifier decodes the and scalars from the signature blob via with no check that they lie in . A crafted forged signature could verify against any message for any identity, using only publicly-known constants.

Affected

  • cpe wolfssl/wolfsslversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-5466

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-5466

    wolfSSL's ECCSI signature verifier decodes the and scalars from the signature blob via with no check that they lie in . A crafted forged signature could verify against any message for any identity, using only publicly-

    nvd.nist.gov

References