CVE-2026-74877

HighCVSS 8.8/10Last modified Oct 8, 2026

Description

openssl_encrypt versions before 1.4.0 contain a missing ownership verification vulnerability in the revoke_key method that allows authenticated clients to revoke any other client's key. Attackers can revoke arbitrary keys by providing a valid ML-DSA signature, bypassing the intended ownership restriction.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-639

Affected software

VendorProductVersions
jahlivesopenssl_encrypt< 1.4.0

References

Timeline

Published
Aug 17, 2026
Last modified
Oct 8, 2026
NVD status
Analyzed

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CVE-2026-74877: High severity, CVSS 8.8 | Vulnix