Read the docs
TI-2025-34609 Aliases CVE-2025-54875

FreshRSS: Unauthorized creation of admin user when registration is enabled

Priority HIGH 82CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0053 45th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed FreshRSS (FreshRSS): 1.27.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FreshRSSFreshRSS1.16.0 to before 1.27.01.27.0Patch availableCNA
  • FreshRSS VendorFreshRSS Affected 1.16.0 to before 1.27.0 Fixed in 1.27.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:*1.16.0 to before 1.27.0VulnerableFreshRSS
  • cpe:2.3:a:freshrss:freshrss:*:*:*:*:*:*:*:* Versions 1.16.0 to before 1.27.0 Vulnerable ·FreshRSS

Remediation

  • Fix · CNA FreshRSS (FreshRSS) Fixed in 1.27.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54875

References

Exploit 1

Patch 1

Other 1

  • TI-2025-34363 FreshRSS has Incomplete Session Termination on Logout CVSS 4.0HIGH 8.8
  • TI-2025-38485 FreshRSS has an IDOR which allows for viewing feeds of any user and leaking tokens CVSS 3.1HIGH 7.5
  • TI-2025-34362 FreshRSS: Unauthenticated users can view default user's information CVSS 3.1HIGH 7.5
  • TI-2025-38032 FreshRSS is vulnerable to directory enumeration by setting path in its theme field CVSS 4.0MEDIUM 6.9
  • TI-2025-37337 FreshRSS has Logout CSRF that Leads to DoS via <track src> CVSS 3.1MEDIUM 6.5
  • TI-2025-35981 FreshRSS vulnerable to authenticated RCE via path traversal inside include() CVSS 4.0HIGH 7.4
See all 21 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences