CVE-2026-54007 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the chat message listener allows non-same-origin input:prompt and action:submit messages, so an external site can set prompt text and trigger submitPrompt in an authenticated victim...

CVE-2026-54014 Open WebUI: Sibling-Prefix Path Traversal via /cache/{path} in open-webui/open-webui

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, a path traversal vulnerability exists in open-webui's cache file serving endpoint that allows any authenticated user to read files from sibling directories outside the intended cache...

CVE-2026-54019

Open WebUI CVE-2026-54019 describes an ACL bypass in Milvus multitenancy mode. Before version 0.9.6, collection-level ACL checks exist but can be bypassed when an attacker supplies user-controlled, unknown collection names, which Milvus treats as a resource_id and interpolates into an unsafe expr...

CVE-2026-54017 Open WebUI: Path traversal / SSRF in terminal server proxy via encoded path traversal

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, the terminal-server reverse proxy in backend/openwebui/routers/terminals.py does not fully confine the user-controlled path segment before forwarding it to an admin-configured termin...

GHSA-CX9V-4QJ2-JRW6 Open WebUI BOLA: `search_knowledge_files` Allows Unauthorized Knowledge Base File Enumeration

Summary Open WebUI has a Broken Object Level Authorization BOLA vulnerability in the builtin searchknowledgefiles tool. When native function calling is enabled and the selected model has no attached knowledge bases, an authenticated user can call searchknowledgefiles with an arbitrary knowledgeid...

GHSA-4R4W-2WGP-W7CJ Open WebUI Prompt history IDOR: unbound history_id allows cross-prompt read and deletion

Summary Open WebUI's prompt version-history endpoints authorize the promptid in the URL but then act on caller-supplied history IDs without verifying that the history row belongs to that prompt historyentry.promptid == prompt.id. Three operations are affected: - GET...

GHSA-VRHC-3FR6-PC3C Open WebUI: Forged chat-file link allows cross-user file read and deletion

Summary Open WebUI v0.9.5 lets an authenticated user attach arbitrary fileid values to their own chat message without checking whether they own or can read those files. If the attacker then shares that chat and grants themselves read access, hasaccesstofile treats the victim file as accessible...

GHSA-F3G7-59QC-PQG6 Open WebUI IDOR: Calendar event re-parenting allows writing events into another user's calendar

Summary POST /api/v1/calendars/events/eventid/update validates that the caller has write access to the calendar the event currently belongs to, but does not validate the destination calendarid supplied in the request body. The model layer then persists the new calendarid unconditionally. A regula...

PT-2026-50485

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.6 Description Open WebUI contains a stored Cross-Site Scripting XSS issue where the platform fails to validate profile images for models. While similar issues were patched for user and webhook profile images, t...

GHSA-CJ93-CHG6-VGV8 vulnerabilities

Vulnerabilities for packages: open-webui...

GHSA-248M-82V9-Q6G6 vulnerabilities

Vulnerabilities for packages: open-webui...

ember

🔥 Ember AI systems burn brightly but hide their secrets. Em...

CVE-2026-54022

creationtimestamp| type| source ---|---|--- 2026-06-11 19:14:16+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-8788-j68r-3cgh...

CVE-2026-54019

creationtimestamp| type| source ---|---|--- 2026-06-11 19:09:52+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-p5cp-r7rg-qpxc...

CVE-2026-54016

creationtimestamp| type| source ---|---|--- 2026-06-11 19:06:16+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-cx9v-4qj2-jrw6...

CVE-2026-54015

creationtimestamp| type| source ---|---|--- 2026-06-11 19:05:34+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-4r4w-2wgp-w7cj...

CVE-2026-54014

creationtimestamp| type| source ---|---|--- 2026-06-11 19:04:46+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-j2c8-v969-8r5c...

CVE-2026-54013

creationtimestamp| type| source ---|---|--- 2026-06-11 19:02:12+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-v2qm-5wxj-qhj7...

CVE-2026-54012

creationtimestamp| type| source ---|---|--- 2026-06-11 18:58:16+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-vjqm-6gcc-62cr...

CVE-2026-54008

creationtimestamp| type| source ---|---|--- 2026-06-11 18:56:45+00:00| published-proof-of-concept| https://github.com/open-webui/open-webui/security/advisories/GHSA-226f-f24g-524w 2026-07-14 11:37:07+00:00| seen| https://bsky.app/profile/cyberhub.blog/post/3mqm4ka7n4h2m...