Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages
High-risk advisory
CVE-2026-26193
Summary
Open WebUI vulnerable to Stored XSS via iFrame embeds in response messages
Why it matters
GitHub has published a reviewed security advisory for open-webui. Prioritize it with other application dependency updates, especially because EPSS places it in the 10% percentile.
Operator check
Check whether open-webui is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. EPSS probability: 0.2%; percentile: 10%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.