CVE-2026-81691

HIGH 7.5

openssl_encrypt before 1.4.9 Credential Leakage via Unvalidated Server URLs

CVSS Score

7.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-319
Vendor	jahlives
Product	openssl_encrypt
Published	Aug 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Affected Versions

jahlives / openssl_encrypt

0 < 1.4.9

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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