CVE-2026-91159Published
Discourse: Stored oEmbed HTML injection via allowed iframe
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-2026-91159 · Microsoft / collected KEV context
cve-program · CVE-2026-91159
- https://github.com/discourse/discourse/security/advisories/GHSA-f9jx-vv33-4282
- https://github.com/discourse/discourse/commit/0953b31f5c2949d7d6ab5f6dc4c5e2f1b8bf0b22
- https://github.com/discourse/discourse/commit/3fc2bad6cdca47b00958330d1ee612aa141b039a
- https://github.com/discourse/discourse/commit/dde8bc4fb6200139f5eff7e100b0f3e829d37ab3
- https://github.com/discourse/discourse/commit/ed6f83f123d1a4c6c6c7e64c8a2233e3cb6a28d7
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.