CVE-2026-81695

LOW 3.3

openssl_encrypt before 1.4.9 Terminal Injection via key_id

CVSS Score

3.3

EPSS Score

0.0%

EPSS Percentile

0th

openssl_encrypt versions before 1.4.9 fail to escape attacker-controlled key_id values printed to stderr during decrypt auto-detection. Attackers can craft encrypted files with malicious key_id containing escape sequences to repaint terminal output and forge authenticity verification blocks.

CWE	CWE-117
Vendor	jahlives
Product	openssl_encrypt
Published	Aug 27, 2026

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CVSS v3 Breakdown

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

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-jwfm-99h7-2w5x vulncheck.com: https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-terminal-injection-via-key-id