What is CVE-2026-74877?

CVE-2026-74877 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-08-17.

How severe is CVE-2026-74877?

High severity. CVSS v3 base score is 8.8 out of 10.

Auth bypass in Jahlives OpenSSL Encrypt

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Jahlives Openssl_encrypt — versions 0, 1.4.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-74877?: CVE-2026-74877 is a high-severity vulnerability in Jahlives OpenSSL Encrypt, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.8/10. Published 2026-08-17.
How severe is CVE-2026-74877?: High severity. CVSS v3 base score is 8.8 out of 10.