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.
Conclusion & alert: CVE-2025-63390 is rated Low Risk (26.1/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-18 | 0.06% | 0.05% | -0.01% |
| 2 | 2025-12-24 | 0.03% | 0.06% | +0.02% |
| 3 | 2025-12-19 | — | 0.03% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mintplexlabs | anythingllm | 1.8.5 | cpe:2.3:a:mintplexlabs:anythingllm:1.8.5:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gist.github.com/Cristliu/0897bceac5fdc2d945304b5087a84f14 | |
| https://gist.github.com/Cristliu/ba529c99abec87102e5ef36435d02a6d | Third Party Advisory |
| https://github.com/Mintplex-Labs/anything-llm/issues | Issue Tracking |