CVE-2026-81691
High · 7.5CVSS
7.5
EPSS
0.3%
Published
Aug 27, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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