CVE-2026-89086

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Source
https://cve.org/CVERecord?id=CVE-2026-89086
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89086.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-89086
Aliases
Published
2026-09-10T19:52:47Z
Modified
2026-09-12T03:47:22Z
Severity
  • 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "cna_assigner": "mitre",
    "cwe_ids": [
        "CWE-347"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89086.json"
}
References

Affected packages

Git / github.com/ulrikstrid/ocaml-jose

Affected ranges

Type
GIT
Repo
https://github.com/ulrikstrid/ocaml-jose
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a4a060bf4888d858566b798397815440e0c426c9
Fixed
cf17d991ec6a0d1997956b6c7799890f9c28879e
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.11.0"
        }
    ],
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ]
}

Affected versions

v0.*
v0.1.0
v0.10.0
v0.2.0
v0.3.1
v0.4.0
v0.5.0
v0.5.1
v0.7.0
v0.8.0
v0.8.1
v0.8.2
v0.9.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89086.json"