CVE-2026-44558: Missing Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the channel router does not call filterallowedaccessgrants on either create or update paths. A non-admin user who can create group channels or who owns a channel can submit arbitrary...

CVE-2026-44563: Missing Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the /api/generate, /api/embed, /api/embeddings, and /api/show endpoints accept any model name from the user and forward the request to the Ollama backend without checking whether the...

CVE-2026-44564: Incorrect Authorization

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, the ydoc:document:update Socket.IO event handler checks whether the sender is a member of the document's Socket.IO room line 678 but does not verify that the sender has write...

CVE-2026-45331: Server-Side Request Forgery (SSRF)

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, validateurl in backend/openwebui/retrieval/web/utils.py calls validators.ipv6ip, private=True, but the validators library does NOT implement the private keyword for IPv6 — the call...

CVE-2026-45395: Improper Privilege Management

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.5, the tool update endpoint POST /api/v1/tools/id/id/update is missing the workspace.tools permission check that is present on the tool create endpoint. This allows a user who has been...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI based on the open-source Open WebUI framework. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the ydoc:document:update Socket.IO event handler, which checke...

Open WebUI 代码问题漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 had code vulnerabilities. These vulnerabilities stemmed from the processpictureurl function, which extracted arbitrary URLs from OAuth image claims without...

Open WebUI 安全漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI under open source. Versions of Open WebUI prior to 0.9.0 contained security vulnerabilities. These vulnerabilities stemmed from the lack of authorization checks in the GET /api/tasks and POST /api/tasks/stop/taskid...

CVE-2026-44553: Insufficient Session Expiration

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 SESSIONPOOL to disconnect affected sessions. As a result, a user whose admin role has been revoked retains admin...

CVE-2026-45314: Improper Neutralization of Alternate XSS Syntax

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.3, the channel webhook create/update flow accepts arbitrary profileimageurl values, including data:image/svg+xml;base64,... payloads. The profile image endpoint then decodes and serves...

Open WebUI 路径遍历漏洞

Open WebUI is an extensible, feature-rich, and user-friendly self-hosted WebUI that is open source. Versions of Open WebUI prior to 0.1.124 contained a path traversal vulnerability. This vulnerability occurred when files were attached in messages, where the file names originated from the original...

CVE-2026-45671: Authorization Bypass Through User-Controlled Key

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.0, any authenticated user can permanently delete files owned by other users via DELETE /api/v1/files/id when the target file is referenced in any shared chat. The hasaccesstofile...

Security Bulletin: IBM Cognos Analytics is affected by multiple security vulnerabilities

Summary There are vulnerabilities in multiple Open-Source Software OSS components consumed by IBM Cognos Analytics. Please review the below vulnerabilities and take necessary remediation actions. This Security Bulletin relates only to the direct usage of third-party components by IBM Cognos...

CVE-2026-44428

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.6, the client-side and server-side GitHub OIDC flow is bound only to a global audience string, not to the specific registry instance being targeted. On the client side, the publisher...

CVE-2026-44427

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...

Out-of-bounds Write

Overview Affected versions of this package are vulnerable to Out-of-bounds Write in the softimageinput.cpp process when handling RLE decoding. An attacker can cause a heap buffer overflow by submitting a crafted .pic file with a manipulated run length value that exceeds the scanline width...

CVE-2026-45781

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.9, OCI ownership validation skips label-match check when upstream OCI registry returns HTTP 429, letting any authenticated publisher bind their io.github./ namespace to OCI images the...

CVE-2026-44428

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. Prior to 1.7.6, the client-side and server-side GitHub OIDC flow is bound only to a global audience string, not to the specific registry instance being targeted. On the client side, the publisher...

CVE-2026-44427

The CVE-2026-44427 entry concerns the MCP Registry’s TrailingSlashMiddleware (internal/api/server.go), affecting versions 1.1.0–1.7.4. The vulnerability is an open redirect caused by processing protocol-relative paths (e.g., //evil.com/) without validating the redirect target after trimming trail...

CVE-2026-44427 MCP Registry: Open Redirect

The MCP Registry provides MCP clients with a list of MCP servers, like an app store for MCP servers. From 1.1.0 to 1.7.4, the TrailingSlashMiddleware in internal/api/server.go is vulnerable to an open redirect attack. An attacker can craft a URL with a protocol-relative path e.g., //evil.com/ tha...