HIGHVulnerability
CVE-2026-74877
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.
Properties
- severity
- HIGH
- score
- 8.8
- epss_score
- 0.00248
- cve_id
- CVE-2026-74877
- vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- published_at
- 2026-08-17T11:16:42.203
- last_modified
- 2026-08-31T15:50:55.453
- epss_percentile
- 0.15949
Related Entities (4)
ENRICHED_BY (1)
→[Source]FIRST EPSS
AFFECTS_PRODUCT (1)
→[Product]
HAS_WEAKNESS (1)
→[Weakness]Authorization Bypass Through User-Controlled Key
DESCRIBED_BY (1)
→[Source]NVD
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