CVE-2026-74877
Last modified
CVE-2026-74877 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
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
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.0 |
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3hMitigation, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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