VulnSocial

CVE-2025-25194Disclosure

LOWCVSS 4.0 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-918

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-04-24: 1Technical Details · 2026-04-24: 104-24
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • DailyCVE@dailycve
    Disclosure

    🟠 Lemmy, Server-Side Request Forgery (SSRF), #CVE-2025-25194 (Medium) https://dailycve.com/lemmy-server-side-request-forgery-ssrf-cve-2025-25194-medium/

    Post summary

    The text announces a medium‑severity SSRF vulnerability in Lemmy (CVE‑2025‑25194) without mentioning any PoC, exploit code, active exploitation, or patch.

    00000251
    183 followersView on X

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