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-2026-54011 Open WebUI: Stored XSS in Mermaid Markdown Preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

CVE-2026-54011 Open WebUI: Stored XSS in Mermaid Markdown Preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

CVE-2026-54011 Open WebUI: Stored XSS in Mermaid Markdown Preview

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

Anthropic’s Fable 5 Model Jailbroken Within Days

Fable 5 is the supposed safe version of Anthropic's Mythos Preview, with guardrails to ensure that it can't be used to create cyberattacks. Well, that restriction was bypassed within days...

CVE-2026-54011: Improper Neutralization of Input During Web Page Generation

Open WebUI is a self-hosted artificial intelligence platform designed to operate entirely offline. Prior to 0.9.6,Open WebUI renders Mermaid blocks from Markdown files in the file preview panel and inserts the generated SVG into the DOM using innerHTML. Because Mermaid is configured with...

Gogs has Stored XSS in `.ipynb` Preview

Summary Although .ipynb previews are sanitized on the server side via /-/api/sanitizeipynb, the inserted content is re-rendered on the client side without sanitization using marked on elements with the .nb-markdown-cell class. During this process, links containing schemes such as javascript: can ...

Access Control Bypass

Overview Affected versions of this package are vulnerable to Access Control Bypass via the getmediapreview process. An attacker can access sensitive files on the server by sending crafted requests containing encoded path traversal sequences in the filename parameter. This allows disclosure of...

motionEye has an Arbitrary File Read via Path Traversal in Picture/Movie Preview Endpoint

Summary motionEye v0.43.1 latest stable is vulnerable to path traversal in the picture and movie API endpoints, like /picture/id/preview/filename. Neither the API handlers, nor the mediafiles.py functions like getmediapreview check for .. sequences in the filename parameter, except getmediaconten...

GHSA-G9FX-5R4H-PCW3 motionEye has an Arbitrary File Read via Path Traversal in Picture/Movie Preview Endpoint

Summary motionEye v0.43.1 latest stable is vulnerable to path traversal in the picture and movie API endpoints, like /picture/id/preview/filename. Neither the API handlers, nor the mediafiles.py functions like getmediapreview check for .. sequences in the filename parameter, except getmediaconten...

PT-2026-51430

Name of the Vulnerable Software and Affected Versions motionEye version 0.43.1 Description An absolute path traversal issue exists in the picture and movie API endpoints, such as '/picture/id/preview/filename'. The vulnerability occurs because the API handlers and functions get media preview and...

Duplicate Advisory: Craft CMS: Authorized asset "preview file" requests bypass allows users without asset access to retrieve private preview metadata

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-44px-qjjc-xrhq. This link is maintained to preserve external references. Original Description Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file...

GHSA-F4H3-QHG5-J6MQ Duplicate Advisory: Craft CMS: Authorized asset "preview file" requests bypass allows users without asset access to retrieve private preview metadata

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-44px-qjjc-xrhq. This link is maintained to preserve external references. Original Description Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file...

GHSA-XJ2C-G5XP-4P47 Duplicate Advisory: Craft CMS: Authenticated "assets/preview-thumb" discloses signed fallback transform preview link to CP users without asset-view permission

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-x76w-8c62-48mg. This link is maintained to preserve external references. Original Description Craft CMS contains a missing authorization vulnerability in the assets/preview-thumb endpoint. A Control Panel user...

Duplicate Advisory: Craft CMS: Authenticated "assets/preview-thumb" discloses signed fallback transform preview link to CP users without asset-view permission

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-x76w-8c62-48mg. This link is maintained to preserve external references. Original Description Craft CMS contains a missing authorization vulnerability in the assets/preview-thumb endpoint. A Control Panel user...

CVE-2026-56385

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...

CVE-2026-56384

Craft CMS contains a missing authorization vulnerability in the assets/preview-thumb endpoint. A Control Panel user without permission to view a target private asset can call the endpoint with an attacker-controlled assetId and receive preview HTML containing a signed fallback transform preview...

CVE-2026-56385 Craft CMS - Authorization Bypass in assets/preview-file Endpoint

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...

CVE-2026-56385 Craft CMS - Authorization Bypass in assets/preview-file Endpoint

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...

CVE-2026-56385

Craft CMS versions = 5.0.0-RC1, = 4.0.0-RC1, = 4.17.7 contain an authorization bypass in the assets/preview-file endpoint. The action does not enforce per-asset view authorization before returning preview content, allowing an authenticated low-privileged user to supply a controlled assetId for an...