CVE•Published 2026-05-15•Modified 2026-05-19•1 article on news•5 live references•NVD data
CVE-2026-44553Openwebui · 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 0.9.0, administrative role changes and user deletions do not iterate SESSION_POOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin privileges within their existing Socket.IO session for as long as they keep the connection alive (via automatic heartbeats). The gap is exclusive to the Socket.IO session cache. This vulnerability is fixed in 0.9.0.
Timeline
Published 2026-05-15
Modified 2026-05-19
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-2026-44553Hosts 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-2026-44553Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-44553Censys host search filtered to this CVE id.
grep.app
CVE-2026-44553Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-44553GitHub code search for direct mentions.
Google dork
"CVE-2026-44553" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-44553 on GitHub.