CVE-2025-63390: Authentication bypass in AnythingLLM workspace API
AnythingLLM
An authentication flaw in AnythingLLM allowed remote attackers to enumerate workspaces and expose sensitive configuration data including system prompts and AI models. Users are advised to update to secure versions.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- CVSS
- 5.3
- EPSS
- 0.01 · top 54% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 18 Dec 2025
- last update
- 18 Dec 2025
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2025-12-18CVE-2025-63390: An authentication bypass vulnerability exists in AnythingLLM v1.8.5 in via the /api/workspaces endpoint.NVD · nvd.nist.gov/vuln/detail/CVE-2025-63390
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- tags
- anythingllm
- dates
- happened 18 Dec 2025 · first reported 18 Dec 2025
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# CVE-2025-63390: Authentication bypass in AnythingLLM workspace API https://gcdradar.vercel.app/incidents/cve-2025-63390-authentication-bypass-in-anythingllm-workspac · AIR-2025-0041 · closed 2025-12-18 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2025-12-18 - AI role: Attack on AI - Products: AnythingLLM - CVE ids: CVE-2025-63390 - CVSS: 5.3 ## Summary An authentication flaw in AnythingLLM allowed remote attackers to enumerate workspaces and expose sensitive configuration data including system prompts and AI models. Users are advised to update to secure versions. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2025-12-18: CVE-2025-63390: An authentication bypass vulnerability exists in AnythingLLM v1.8.5 in via the /api/workspaces endpoint. (https://nvd.nist.gov/vuln/detail/CVE-2025-63390) ## Sources - 2025-12-18 NVD: CVE-2025-63390: An authentication bypass vulnerability exists in AnythingLLM v1.8.5 in via the /api/workspaces endpoint. https://nvd.nist.gov/vuln/detail/CVE-2025-63390 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI