CVE-2026-81691 HIGH

CVE-2026-81691: openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs

Vendor Jahlives
Product openssl_encrypt
Weakness CWE-319 · Cleartext transmission
Published August 27, 2026
Last update August 27, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

August 27, 2026 CVE published
August 27, 2026 Record updated