CVE-2026-81691

HighCVSS 7.5/10Last modified Sep 2, 2026

Description

openssl_encrypt versions before 1.4.9 fail to validate server URLs in login and register_with_email functions, accepting unencrypted http:// URLs and unconfigured hosts. Attackers on the network path can intercept cleartext credentials including client_id, passwords, and JWTs to achieve full keyserver account takeover.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 27, 2026
Last modified
Sep 2, 2026
NVD status
Analyzed

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CVE-2026-81691: High severity, CVSS 7.5 | Vulnix