4343 matches found
GHSA-5QJQ-93H5-HRGP vulnerabilities
Vulnerabilities for packages: open-webui...
GHSA-G867-7843-WF8Q vulnerabilities
Vulnerabilities for packages: open-webui...
GHSA-5XF7-4P34-54QR vulnerabilities
Vulnerabilities for packages: open-webui...
CVE-2026-12339
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten...
CVE-2026-12339 Authenticated Arbitrary File Write Vulnerability in multiple devices
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten...
CVE-2026-12339
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to overwrite on t...
CVE-2026-12339
Technical details are not publicly available in the provided documents for CVE-2026-12339. No vendor-confirmed impact, affected products, or remediation are specified here. Monitor for updates and refer to the CVE entry for official details.
EUVD-2026-55700
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to overwrite on t...
CVE-2026-12339 Authenticated Arbitrary File Write Vulnerability in multiple devices
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten...
Open WebUI: A folder write-collaborator can permanently delete the owner's chats by deleting a shared subfolder
SummaryA user granted write access to a shared chat folder could permanently delete chats and messages belonging to the folder's owner. Deleting a folder cascades into the owner's chats and the entire subfolder subtree, and the deletion handler required only write access on subfolders instead of...
Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata
SummaryOpen WebUI lets a client define a model inline on a chat request instead of selecting a saved workspace model. The knowledge attached to such an inline model was used as-is, without checking that the caller can read what it points at. Any authenticated user who knows another user's file id...
Open WebUI: DNS Rebinding SSRF Bypass
SummaryOpen WebUI vetted user-supplied URLs by resolving the hostname once and rejecting private, loopback and link-local addresses, then let the HTTP client resolve that hostname again at connect time. An attacker who controls the authoritative DNS for a hostname they submit can answer with a...
PYSEC-2026-3641 Open WebUI: Same-origin XSS to account takeover via terminal file-preview iframe hardcoding allow-same-origin
Summary Any authenticated user with access to a terminal server could get script of their choosing to run in the Open WebUI origin itself. The HTML file preview rendered terminal-served files in an iframe whose sandbox always granted allow-same-origin alongside allow-scripts, and the file is serv...
PYSEC-2026-3645 Open WebUI: Any authenticated user can reach internal services and cloud metadata via NAT64-encoded URLs
Summary Open WebUI fetches user-supplied URLs on the server for RAG URL ingestion, URL-to-markdown conversion and web-search content retrieval, and decides whether a destination is allowed by asking whether its IP address is globally routable. That test operates on the literal IPv6 address and do...
PYSEC-2026-3643 Open WebUI: Cross-user file content disclosure via request-scoped direct model knowledge metadata
Summary Open WebUI lets a client define a model inline on a chat request instead of selecting a saved workspace model. The knowledge attached to such an inline model was used as-is, without checking that the caller can read what it points at. Any authenticated user who knows another user's file i...
PYSEC-2026-3647 Open WebUI: DNS Rebinding SSRF Bypass
Summary Open WebUI vetted user-supplied URLs by resolving the hostname once and rejecting private, loopback and link-local addresses, then let the HTTP client resolve that hostname again at connect time. An attacker who controls the authoritative DNS for a hostname they submit can answer with a...
PYSEC-2026-3651 Open WebUI: Client-side SSRF via unrestricted external resource loading in Vega/Vega-Lite chart rendering
Summary Open WebUI renders vega and vega-lite fenced code blocks in chat content by building a Vega view in the viewer's browser without a restricted resource loader. Any user who can place such a block where another user will see it can make that user's browser issue attacker-chosen outbound GET...
Open WebUI: Account takeover via OAuth token exchange accepting tokens issued to any client
SummaryThe OAuth token exchange endpoint accepts a raw provider access token and validates it by calling the provider's userinfo endpoint. A userinfo endpoint reports only that a token is valid, never which OAuth client it was issued to, and the endpoint performed no audience or client check of i...
CVE-2026-12339: Improper Limitation of a Pathname to a Restricted Directory
A Zip Slip vulnerability in the WebUI ISP Upgrade functionality allows arbitrary file write via a crafted archive containing directory traversal sequences. An authenticated administrator may overwrite arbitrary files on the system.Successful exploitation may allow arbitrary file to be overwritten...