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CVE-2026-89086

jose · Vulnerability

CVSS 3.1 9.1 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-89086

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-89086

Published

jose

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:opam/jose",
                    "product": "jose",
                    "vendor": "OCaml",
                    "versions": [
                        {
                            "lessThan": "0.11.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON