Unrated severityNVD Advisory· Published Mar 6, 2026· Updated Mar 6, 2026
LangBot has a Cross Site Scripting(XSS) Vulnerability
CVE-2026-28509
Description
LangBot is a global IM bot platform designed for LLMs. Prior to version 4.8.7, LangBot’s web UI renders user-supplied raw HTML using rehypeRaw, which can lead to a cross-site scripting (XSS) vulnerability. This issue has been patched in version 4.8.7.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- github.com/langbot-app/LangBot/commit/614621ab7b84fe50da3c6137705cde5a99429866mitrex_refsource_MISC
- github.com/langbot-app/LangBot/security/advisories/GHSA-w8gq-g4pc-xh3hmitrex_refsource_CONFIRM
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