What is CVE-2025-63390?

CVE-2025-63390 is a medium-severity vulnerability in Mintplexlabs Anythingllm, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2025-12-18.

How severe is CVE-2025-63390?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Mintplexlabs Anythingllm

CVE-2025-63390

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.

Vulnerability class: Broken Authentication

EPSS: 0.005 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mintplexlabs Anythingllm — versions 1.8.5
N/a — versions n/a

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

cve@mitre.org (Issue Tracking)
cve@mitre.org (Third Party Advisory)
cve@mitre.org

Frequently asked questions

What is CVE-2025-63390?: CVE-2025-63390 is a medium-severity vulnerability in Mintplexlabs Anythingllm, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2025-12-18.
How severe is CVE-2025-63390?: Medium severity. CVSS v3 base score is 5.3 out of 10.