CVE-2026-81856

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in hexpm hex allows a malicious package publisher or a hostile repository server to inject terminal control sequences into the output of Mix tasks. Hex prints strings supplied by the package repository and the documentati...

CVE-2026-81856

The hexpm hex package (versions 0.0.1 before 2.5.2 ) is vulnerable to Improper Neutralization of Escape, Meta, or Control Sequences (CWE-150). The root cause is that the software prints server-supplied strings directly to the terminal via Hex.Shell.info/1 and Hex.Shell.error/1 without neutralizin...

EUVD-2026-97512

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in hexpm hex allows a malicious package publisher or a hostile repository server to inject terminal control sequences into the output of Mix tasks. Hex prints strings supplied by the package repository and the documentati...

CVE-2026-81856 Terminal escape sequence injection in Hex via unneutralized server-supplied output

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in hexpm hex allows a malicious package publisher or a hostile repository server to inject terminal control sequences into the output of Mix tasks. Hex prints strings supplied by the package repository and the documentati...