6.3

CVE-2026-28509

Exploit

LangBot has a Cross Site Scripting(XSS) Vulnerability

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Langbot ≫ Langbot Version < 4.8.7
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.19% 0.084
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.4 2.3 2.7
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
security-advisories@github.com 6.3 2.1 4.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

https://github.com/langbot-app/LangBot/security/advisories/GHSA-w8gq-g4pc-xh3h
Vendor Advisory
Exploit
https://github.com/langbot-app/LangBot/commit/614621ab7b84fe50da3c6137705cde5a99429866
Patch