CVE•Published 2026-05-15•Modified 2026-05-18•1 article on news•6 live references•NVD data
CVE-2026-45301Openwebui · Open_webui
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
EPSS percentile
—
Weaknesses (CWE)
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.
Timeline
Published 2026-05-15
Modified 2026-05-18
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2026-45301Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Openwebui Open Webui"All exposed Openwebui Open Webui instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Open Webui"HTTP body or banner mentions "Open Webui" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-45301Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-45301Censys host search filtered to this CVE id.
grep.app
CVE-2026-45301Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-45301GitHub code search for direct mentions.
Google dork
"CVE-2026-45301" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-45301 on GitHub.