CVE-2026-81696 openssl_encrypt before 1.4.9 Terminal Injection via info Command

Critical 9.3 Published 27 Aug 2026 Updated 1 Oct 2026

Attackers can forge verification information in terminal output by crafting malicious files with escape sequences, misleading users about file integrity.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-81696?

CVE-2026-81696 is a critical vulnerability in Jahlives Openssl Encrypt, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

openssl_encrypt versions before 1.4.9 fail to sanitize terminal control characters in file metadata printed by the info command. Attackers can craft malicious files containing escape sequences to repaint terminal output and forge verification information displayed to users.

Weakness: CWE-117

Which versions are affected by CVE-2026-81696?

1 open source package ship an affected version, including openssl-encrypt. It affects 1 product.

Package	Affected	Fixed in
`openssl-encrypt` PyPI	All versions	`1.4.9`

Products include Jahlives Openssl Encrypt.

How do I fix CVE-2026-81696?

Upgrade openssl-encrypt to 1.4.9 or later.

Is CVE-2026-81696 being exploited?

There is no known exploitation of CVE-2026-81696 in the wild and no public exploit code.

All Jahlives Openssl Encrypt vulnerabilities

Sources

Also known as GHSA-539p-fxf4-7fv8, GHSA-mww3-xh7q-jwwm, PYSEC-2026-3775.