CVE Tools
Sign in

CVE-2026-45301

Open WebUI: Missing permission check in files API allows authenticated users to list, access and delete every uploaded file

Published: May 15, 2026Updated: May 18, 2026 Sources: CVE List NVD BDUCWE-284
8.1HIGH
NVD MITRE
EPSS Score
0.3%
Top 81.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.3.16, a missing permission check in all files related API endpoints allows any authenticated user to list, access and delete every file uploaded by every user to the platform. This vulnerability is fixed in 0.3.16.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-284

Affected Products

open-webuiopen-webui
On-premWeb App
AI / ML / ai-agent-tooling
Open WebUIСообщество свободного программного обеспечения
On-premWeb App
Web & CMS Plugins
open webuiopenwebui
On-premWeb App
AI / ML / ai-agent-tooling
open-webuioss-projectAI / MLaka open-webui/open-webui, open-webui
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
openwebuioss-projectAI / MLaka open webui

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

References

https://github.com/open-webui/open-webui/security/advisories/GHSA-r8wh-8m7r-fh33
github.com

Timeline

Published
May 15, 2026
Last Updated
May 18, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-45301 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows