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GHSA-H6HF-9846-XWRQ Lemmy has SSRF and internal image disclosure in post link metadata via unvalidated og:image

🗓️ 24 Apr 2026 15:21:58Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Authenticated low-privilege user can trigger Lemmy to fetch an internal image via unvalidated open graph image.

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13 May 2026 13:52Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.16.5
EPSS0.00032
2