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.

INFO

Published Date :

2026-03-06T04:16:58.761Z

Last Modified :

2026-03-06T16:07:49.499Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-28509 vulnerability.

Vendors Products
Langbot
  • Langbot
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-28509.

URL Resource
https://github.com/langbot-app/LangBot/commit/614621ab7b84fe50da3c6137705cde5a99429866 cve-icon cve-icon
https://github.com/langbot-app/LangBot/security/advisories/GHSA-w8gq-g4pc-xh3h cve-icon cve-icon
Login to claim this CVE

CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact