CVE-2026-54011

Open WebUI vulnerability CVE-2026-54011 is a stored XSS in Mermaid Markdown Preview. Affected versions include main and 0.8.12; the Mermaid rendering uses securityLevel: 'loose' and injects SVG via innerHTML in the file preview path, enabling JavaScript execution in the app origin. The issue is c...

CVE-2026-54012

CVE-2026-54012 pertains to Open WebUI. Before version 0.9.6, a user with model-creation/update/import rights could attach forged meta.knowledge entries of type file to their model. The system then trusts these entries as authorization sources, enabling a cross-user read and deletion of private fi...

CVE-2026-54012 Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...

CVE-2026-54012 Open WebUI: Forged model meta.knowledge allows cross-user file read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...

CVE-2026-54012

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI lets a user who can create, update, or import workspace models store arbitrary meta.knowledge entries on their model without checking whether they own or can read the...

CVE-2026-54013 Open WebUI: Stored XSS to Account Takeover via Model Profile Images in Open WebUI

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI patched SVG XSS in user profile images and webhook profile images but forgot to apply the same fix to model profile images. The ModelMeta class has no...

CVE-2026-54013 Open WebUI: Stored XSS to Account Takeover via Model Profile Images in Open WebUI

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI patched SVG XSS in user profile images and webhook profile images but forgot to apply the same fix to model profile images. The ModelMeta class has no...

CVE-2026-54013

CVE-2026-54013 describes a stored XSS in Open WebUI where the model profile image URL could be a data:image/svg+xml;base64 payload. The root cause is missing input validation on ModelMeta.profile_image_url and missing output protections in the model image endpoint (no MIME allowlist, no nosniff, ...

EUVD-2026-38529

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI patched SVG XSS in user profile images and webhook profile images but forgot to apply the same fix to model profile images. The ModelMeta class has no...

CVE-2026-54013 Open WebUI: Stored XSS to Account Takeover via Model Profile Images in Open WebUI

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, Open WebUI patched SVG XSS in user profile images and webhook profile images but forgot to apply the same fix to model profile images. The ModelMeta class has no...

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-2026-54014

Open WebUI (open-webui/open-webui) before version 0.9.6 is affected by a sibling-prefix path traversal in the cache file endpoint. The vulnerability stems from serve_cache_file() validating the absolute path with file_path.startswith(os.path.abspath(CACHE_DIR)) without appending a trailing path s...

CVE-2026-54014

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-2026-54014 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...

EUVD-2026-38528

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-2026-54015

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, 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...

CVE-2026-54015 Open WebUI: Prompt history IDOR: unbound history_id allows cross-prompt read and deletion

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, 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...

openwebui-token-tracking (0.1.7) potentially affected by CVE-2026-54015 via open-webui (0.6.0)

open-webui PYPI version 0.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on open-webui and may be impacted: - openwebui-token-tracking 0.1.7 Source cves: CVE-2026-54015 Source advisory: MEND:CVE-2026-54015...

CVE-2026-54015

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6, 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...

CVE-2026-54015

Open WebUI vulnerability CVE-2026-54015 : Before 0.9.6, the prompt history IDOR flaw allows cross-prompt access via /api/v1/prompts/id/{prompt_id}/history/diff, /update/version, and /history/{history_id}. Although the URL is bound to a prompt, the server fetches history entries globally by ID wit...