CVE-2025-54593
CVE-2025-54593 is a high-severity vulnerability in Freshrss with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-94.
Key facts
- Severity: High (CVSS 3.x base score 7.2)
- EPSS exploit prediction: 1% (52nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23380
- Weakness: CWE-94
- Affected product: Freshrss
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-54593?
- 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.
- How severe is CVE-2025-54593?
- CVE-2025-54593 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-54593 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-54593?
- CVE-2025-54593 affects Freshrss. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-54593?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-54593 have an EU (EUVD) identifier?
- Yes. CVE-2025-54593 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23380.
- When was CVE-2025-54593 published?
- CVE-2025-54593 was published on 2025-08-01 and last updated on 2026-06-17.
References
- https://github.com/FreshRSS/FreshRSS/commit/dbdadbb4107878d9233f635c31a88afe45957101
- https://github.com/FreshRSS/FreshRSS/pull/7477
- https://github.com/FreshRSS/FreshRSS/releases/tag/1.26.2
- https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-jcww-48g9-wf57
Affected products (1)
- cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*
More vulnerabilities in Freshrss
- CVE-2025-68932 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. Prior to version 1.28.0, FreshRSS uses cryptographically weak random…
- CVE-2025-54875 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker…
- CVE-2025-54592 — Critical (CVSS 9.8): FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below do not properly terminate the session…
- CVE-2025-58173 — High (CVSS 8.8): FreshRSS is a self-hosted RSS feed aggregator. In versions 1.23.0 through 1.27.0, using a path traversal inside the…
- CVE-2025-62166 — High (CVSS 7.5): FreshRSS is a free, self-hostable RSS aggregator. Prior 1.28.0, a bug in the auth logic related to master…
- CVE-2025-54591 — High (CVSS 7.5): FreshRSS is a free, self-hostable RSS aggregator. Versions 1.26.3 and below expose information about feeds and tags of…
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