CVE-2026-54012: Open WebUI forged model meta.knowledge enables cross-user file access
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
Open WebUI failed to verify ownership of referenced files stored in workspace model knowledge metadata. Malicious model owners could exploit this to read or delete private files belonging to other users.
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
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- Open WebUI
- incident date
- 17 Jun 2026
- first reported
- 17 Jun 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-54012 · open-webui · authorization
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json
Sources · 2
- 2026-06-17CVE-2026-54012: Open WebUI: Forged model meta.knowledge allows cross-user file read and deletionGitHub Advisory Database · github.com/advisories/GHSA-vjqm-6gcc-62cr
- 2026-06-23CVE-2026-54012: Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline.NVD · nvd.nist.gov/vuln/detail/CVE-2026-54012
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