CVE-2025-54593

Name: CVE-2025-54593
Creator: NVD / NIST
Published: 2025-08-01T18:15:55.74+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2025-54593 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.1 and below, an authenticated administrator user can execute arbitrary code on the FreshRSS server by modifying the update URL to one they control, and gain code execution after running an update. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.26.1 and below, an authenticated administrator user can execute arbitrary code on the FreshRSS server by modifying the update URL to one they control, and gain code execution after running an update. After successfully executing code, user data including hashed passwords can be exfiltrated, the instance can be defaced when file permissions allow. Malicious code can be inserted into the instance to steal plaintext passwords, among others. This is fixed in version 1.26.2.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.75%

50.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Freshrss	Freshrss	< 1.26.2

References

https://github.com/FreshRSS/FreshRSS/commit/dbdadbb4107878d9233f635c31a88afe45957101Patch
https://github.com/FreshRSS/FreshRSS/pull/7477Issue Tracking
https://github.com/FreshRSS/FreshRSS/releases/tag/1.26.2Release Notes
https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-jcww-48g9-wf57Exploit, Vendor Advisory

Timeline

Published: Aug 1, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-54593?

How severe is CVE-2025-54593?

CVE-2025-54593 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2025-54593?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-54593?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST