What is CVE-2026-26982?

CVE-2026-26982 is a medium-severity vulnerability in Ghostty-org Ghostty, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-03-09.

How severe is CVE-2026-26982?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Ghostty-org Ghostty

CVE-2026-26982

Ghostty is a cross-platform terminal emulator. Ghostty allows control characters such as 0x03 (Ctrl+C) in pasted and dropped text. These can be used to execute arbitrary commands in some shell environments. This attack requires an attacker…

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.000 (13.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Ghostty-org Ghostty — versions < 1.3.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

https://github.com/ghostty-org/ghostty/security/advisories/GHSA-4jxv-xgrp-5m3r (x_refsource_CONFIRM)
https://github.com/ghostty-org/ghostty/pull/10746 (x_refsource_MISC)
https://github.com/ghostty-org/ghostty/commit/fe7427ed2a1a02aef85495b384cfb8f11ee5efc9 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-26982?: CVE-2026-26982 is a medium-severity vulnerability in Ghostty-org Ghostty, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-03-09.
How severe is CVE-2026-26982?: Medium severity. CVSS v3 base score is 6.3 out of 10.