---
title: "CVE-2026-54617: GravitLauncher - Path Traversal"
description: "GravitLauncher < 5.7.12 contains a path traversal caused by improper request-target handling in FileServerHandler, letting unauthenticated remote attackers read arbitrary files, exploit requires direct access to LaunchServer on port 9274."
url: https://panop.io/threat-heartbeat/CVE-2026-54617/
---

# CVE-2026-54617 GravitLauncher - Path Traversal

GravitLauncher < 5.7.12 contains a path traversal caused by improper request-target handling in FileServerHandler, letting unauthenticated remote attackers read arbitrary files, exploit requires direct access to LaunchServer on port 9274.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

2.88% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-54617)

## Details

Type

Path Traversal

Impact

Information Disclosure, Broken Access Control

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

17 September 2026

Updated

15 October 2026

Weakness

[CWE-22](https://cwe.mitre.org/data/definitions/22.html)

## Vendor fix

Update to version 5.7.12 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-54617](https://nvd.nist.gov/vuln/detail/CVE-2026-54617)
- [https://github.com/GravitLauncher/Launcher/commit/1e0b3a3](https://github.com/GravitLauncher/Launcher/commit/1e0b3a3)
- [https://github.com/GravitLauncher/Launcher/commit/8114a1d4cfbcaab4c1c337d921597805d71dee3b](https://github.com/GravitLauncher/Launcher/commit/8114a1d4cfbcaab4c1c337d921597805d71dee3b)
- [https://github.com/GravitLauncher/Launcher/releases/tag/v5.7.12](https://github.com/GravitLauncher/Launcher/releases/tag/v5.7.12)
- [https://github.com/GravitLauncher/Launcher/security/advisories/GHSA-5g75-477j-2c2f](https://github.com/GravitLauncher/Launcher/security/advisories/GHSA-5g75-477j-2c2f)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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