Feed/CVE-2026-28509
CVE-2026-28509MEDIUMCVSS 6.3

CVE-2026-28509

Published Mar 5, 2026·Updated Jun 17, 2026

NVD 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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

References

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