XSS in Mintplex-Labs Anything-Llm
CVE-2026-32626
AnythingLLM is an application that turns pieces of content into context that any LLM can use as references during chatting. In 1.11.1 and earlier, AnythingLLM Desktop contains a Streaming Phase XSS vulnerability in the chat rendering pipeline that escalates to Remote Code Execution on the host OS due to insecure Electron configuration. This works with default settings and requires no user interaction beyond normal chat usage. The custom markdown-it image renderer in frontend/src/utils/chat/markdown.js interpolates token.content directly into the alt attribute without HTML entity escaping. The PromptReply component renders this output via dangerouslySetInnerHTML without DOMPurify sanitization — unlike HistoricalMessage which correctly applies DOMPurify.sanitize().
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.007 (51.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Mintplex-labs Anything-llm — versions <= 1.11.1
- Mintplexlabs Anythingllm
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-32626?
- CVE-2026-32626 is a critical-severity vulnerability in Mintplex-Labs Anything-Llm, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2026-03-16.
- How severe is CVE-2026-32626?
- Critical severity. CVSS v3 base score is 9.6 out of 10.