Wednesday, 28 October 2026
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AnythingLLM stored XSS via unsanitised chart captions (CVE-2026-41318)

AnythingLLM versions prior to 1.12.1 rendered chart captions from LLM output through a markdown renderer without DOMPurify sanitisation, allowing stored DOM-level XSS. An attacker who could influence the model's output, typically via indirect prompt injection in a shared workspace document, could execute script in other users' browsers when they opened the conversation.

Disclosed 24 April 2026 · Record updated 1 October 2026

Impact

Stored cross-site scripting executing in the browsers of other users of a shared multi-user workspace when they view the affected conversation.

Our coverage

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Sources

  1. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-41318