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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-hvc7-763r-4f3h	Mitigation Vendor Advisory
https://www.vulncheck.com/advisories/openssl-encrypt-before-missing-ownership-verification-via-revoke-key	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:jahlives:openssl_encrypt:*:*:*:*:*:python:*:*

History

No history.

Information

Published : 2026-08-17 11:16

Updated : 2026-08-31 15:50

NVD link : CVE-2026-74877

Mitre link : CVE-2026-74877

CVE.ORG link : CVE-2026-74877

JSON object : View

Products Affected

jahlives

openssl_encrypt

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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