What is the CVSS score of CVE-2025-54875?

CVE-2025-54875 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Freshrss are affected by CVE-2025-54875?

Organizations using versions 1.16.0 and above face critical risk from CVE-2025-54875, a improper access control vulnerability rated CVSS 9.8.. A patch is available.

Is there a public PoC exploit available for CVE-2025-54875?

Yes, a public proof-of-concept exploit is available for CVE-2025-54875. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-54875?

Within 24 hours: Identify all affected systems running versions 1.16.0 and above and apply vendor patches immediately. Vendor patch is available.

Freshrss CVE-2025-54875

CRITICAL

Improper Access Control (CWE-284)

2025-09-29 security-advisories@github.com

Authentication Bypass Freshrss

9.8

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

9.8 CRITICAL

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:14 vuln.today

Patch released

Mar 28, 2026 - 19:14 nvd

Patch available

PoC Detected

Oct 03, 2025 - 15:59 vuln.today

Public exploit code

CVE Published

Sep 29, 2025 - 22:15 nvd

CRITICAL 9.8

DescriptionGitHub Advisory

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0.

AnalysisAI

FreshRSS is a free, self-hostable RSS aggregator. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-284. FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0. Affected products include: Freshrss. Version information: through 1.26.3.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.