CVE-2026-89086

State
Published
Severity
9.1 Critical
Published
Sep 10, 2026
Updated
Sep 10, 2026
Reserved
Sep 10, 2026

Read the record on cve.org

Description

In the jose package before 0.11.0 for OCaml, library calls to validate an RSA signature only confirm that PKCS #1 decoding succeeds, and proceed to declare the signature valid without the required steps that involve the public key.

Scores

CVSSScoreVectorSource
3.19.1 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nmitre

Weaknesses

  • CWE-347 Improper Verification of Cryptographic Signature

Affected Products

ProductVersions
joseOCaml
  • before 0.11.0Affected

References

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