CVE-2026-91123Published
Discourse: Reject literal backslash path separators in iframe src traversal guard
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-2026-91123 · Microsoft / collected KEV context
cve-program · CVE-2026-91123
- https://github.com/discourse/discourse/security/advisories/GHSA-6pwj-wgg8-4rjc
- https://github.com/discourse/discourse/pull/42882
- https://github.com/discourse/discourse/commit/042d7b159beda4f74d23e245e8b2e396d9ff8318
- https://github.com/discourse/discourse/commit/097ce5600a2d74d9c68e57974597ab2684bd2a24
- https://github.com/discourse/discourse/commit/0b5a27e689925edce9ba9b14110022435d2b94be
- https://github.com/discourse/discourse/commit/142f5155ad8e56ddb8012c4e70c69a03dedc0579
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.