CVE-2026-28509
Last modified
CVE-2026-28509 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Langbot | Langbot | < 4.8.7 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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