by Kastro
Paper/Archive/CVE-2026-81695

CVE-2026-81695

jahlives openssl_encrypt — openssl_encrypt before 1.4.9 Terminal Injection via key_id

EPSS 0.3%CVSS 9.3
critical.is priorityof 100
31
CVSS 9.3 (CNA)9.3 / 10 × 3027.9Not in CISA KEV+300.0EPSS percentile 16.4.164 × 203.3No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
openssl_encrypt< 1.4.91.4.9CNA

Scores by source

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
VulnCheck (CNA)3.3CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

advisorygithub.com/jahlives/openssl_encrypt/security/advisories/GHSA-jwfm-99h7-2w5xwriteupvulncheck.com/advisories/openssl-encrypt-before-1.4.9-terminal-injection-via-key-id