EUVD-2026-67051
GHSA-v9v6-j75g-2wmw
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Victim must decrypt an attacker file in a terminal (UI:R); impact is limited terminal-output forgery/deception (I:L) with no confidentiality or availability effect and no privileges required.
Primary rating from Vendor (VulnCheck).
CVSS VectorVendor: VulnCheck
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
3DescriptionCVE.org
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.
AnalysisAI
Terminal escape-sequence injection in jahlives' openssl_encrypt (a Python OpenSSL-based file encryption utility) before 1.4.9 lets an attacker embed ANSI/VT control sequences in the key_id field of a crafted encrypted file; because the tool prints this attacker-controlled value unescaped to stderr during decrypt key auto-detection, an attacker can repaint the terminal and forge authenticity-verification output to deceive the operator. Any user who decrypts a malicious file is affected. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires (1) the victim to run a vulnerable openssl_encrypt version before 1.4.9, (2) the victim to decrypt an attacker-crafted file whose key_id metadata carries ANSI/VT terminal escape sequences, and (3) the output to be rendered in an interactive terminal emulator that interprets those escape sequences during the decrypt key auto-detection phase. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The supplied CVSS 4.0 vector (AV:N/AC:L/PR:N/UI:N/VC:H/VI:H/VA:H, score 9.3 Critical) overstates real-world impact and is internally inconsistent with the described mechanism. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: 1.4.9 - upgrade openssl_encrypt to version 1.4.9 or later, per GHSA-jwfm-99h7-2w5x (https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-jwfm-99h7-2w5x). … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an immediate inventory of all systems running openssl_encrypt and notify users to avoid decrypting files from untrusted sources. …
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External POC / Exploit Code
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