CVE-2026-81691

PYSEC-2026-3797 · CVE-2026-81691 · GHSA-xr64-hcxg-4ghr

Published Aug 27, 2026 · Modified Sep 3, 2026

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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.

References

ADVISORY https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-xr64-hcxg-4ghr
ADVISORY https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-credential-leakage-via-unvalidated-server-urls

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CVE-2026-81691

Description

References

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