CVE-2026-89086 in Jose

Riassunto

di MITRE • 10/09/2026

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.

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• Responsabile: MITRE
• Prenotare: 10/09/2026
• Divulgazione: 10/09/2026
• Moderazione: accettato
• Voce: VDB-402211
• CPE: pronto
• CWE: CWE-347 (confermato)
• CVSS: 9.1 (CNA)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-89086
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-89086
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-89086/