CRITICALVulnerability

CVE-2026-89086

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.

Properties

severity
CRITICAL
score
9.1
cve_id
CVE-2026-89086
signal_observed_at
2026-09-23T04:35:40+00:00
vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
published_at
2026-09-10T20:17:32.113
last_modified
2026-09-22T20:00:03.713

Related Entities (2)

HAS_WEAKNESS (1)

[Weakness]Improper Verification of Cryptographic Signature

DESCRIBED_BY (1)

[Source]NVD

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CVE-2026-89086 — Ninja Signal Threat Intelligence | Ninja Signal