How severe is CVE-2025-63390?

CVE-2025-63390 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-63390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63390?

CVE-2025-63390 affects Mintplexlabs Anythingllm. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-63390?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-63390 have an EU (EUVD) identifier?

Yes. CVE-2025-63390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204305.

When was CVE-2025-63390 published?

CVE-2025-63390 was published on 2025-12-18 and last updated on 2026-06-17.

CVE-2025-63390

CVE-2025-63390 is a medium-severity vulnerability in Mintplexlabs Anythingllm with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-204305
Weakness: CWE-306
Affected product: Mintplexlabs Anythingllm
Published: 2025-12-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2025-63390?: CVE-2025-63390 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-63390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63390?: CVE-2025-63390 affects Mintplexlabs Anythingllm. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-63390?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63390 have an EU (EUVD) identifier?: Yes. CVE-2025-63390 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-204305.
When was CVE-2025-63390 published?: CVE-2025-63390 was published on 2025-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mintplexlabs:anythingllm:1.8.5:*:*:*:*:*:*:*

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