CVE-2025-25194
MEDIUM EPSS 30.8%
Published Feb 10, 20251y ago · Modified Jun 17, 20262w ago
4.0 CVSS 3.1
Published Feb 10, 2025 1y ago
Last Modified Jun 17, 2026 2w ago
Description
Lemmy, a link aggregator and forum for the fediverse, is vulnerable to server-side request forgery via a dependency on activitypub_federation, a framework for ActivityPub federation in Rust. This vulnerability, which is present in versions 0.6.2 and prior of activitypub_federation and versions 0.19.8 and prior of Lemmy, allows a user to bypass any predefined hardcoded URL path or security anti-Localhost mechanism and perform an arbitrary GET request to any Host, Port and URL using a Webfinger Request. As of time of publication, a fix has not been made available.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Changed
Confidentiality Low
Integrity None
Availability None
Threat Intelligence
EPSS Exploit Probability
30.8% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-918 Server-Side Request Forgery (SSRF) Validation
References 1
- github.com https://github.com/LemmyNet/lemmy/security/advisories/GHSA-7723-35v7-qcxw
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.