GHSA-h6hf-9846-xwrqPublished
Lemmy has SSRF and internal image disclosure in post link metadata via unvalidated og:image
Exact source revision recorded 24 Oct 2026 13:19:54 UTC. It does not establish the source's current position. Latest evidence.
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-42181 · Microsoft / collected KEV context
osv · GHSA-h6hf-9846-xwrq
- https://github.com/LemmyNet/lemmy/security/advisories/GHSA-h6hf-9846-xwrq
- https://nvd.nist.gov/vuln/detail/CVE-2026-42181
- https://github.com/LemmyNet/lemmy/commit/9ffe586dafac1a46acf17edf90e0165e5503b2f1
- https://github.com/LemmyNet/lemmy
- https://github.com/LemmyNet/lemmy/releases/tag/0.19.18
- https://join-lemmy.org/news/2026-04-20_-_Lemmy_Release_v0.19.18
Current operational correlations are not mixed into this historical source record. Open latest evidence to discover current connections.