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CVE-2026-91123 Discourse: Reject literal backslash path separators in iframe src traversal guard

🗓️ 24 Sep 2026 16:54:59Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 4 Views

Discourse prior to 2026.8.0 allows iframe path traversal via literal backslash separators.

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26 Sep 2026 03:47Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.2
4