Open WebUI vulnerable to Stored XSS via iFrame in citations model

SummaryManually modifying chat history allows setting the html property within document metadata. This causes the frontend to enter a code path that treats document contents as HTML, and render them in an iFrame when the citation is previewed. This allows stored XSS via a weaponised document...

mcp-memory-service: Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete

Missing Authentication on Document API Endpoints Allows Unauthenticated Memory Read/Write/Delete SummaryAll HTTP routes under /api/documents/ in mcp-memory-service are served without any authentication dependency, even when the server is configured with an API key MCPAPIKEY or OAuth. An...

Open WebUI: Any authenticated user can read other users' private notes via Socket.IO

SummaryThe ydoc:document:join Socket.IO handler checks note ownership only when the documentid starts with note: colon. However, the YdocManager storage layer normalizes all document IDs by replacing colons with underscores documentid.replace":", "". An attacker can join a document room using not...

Read-Only Open WebUI Users Can Modify Collaborative Documents via Socket.IO

Read-Only Users Can Modify Collaborative Documents via Socket.IO Affected ComponentSocket.IO collaborative document editing handler:- backend/openwebui/socket/main.py lines 667-721, ydoc:document:update handler Affected VersionsCurrent main branch and likely all versions with collaborative note...

PYSEC-2026-2762 Read-Only Open WebUI Users Can Modify Collaborative Documents via Socket.IO

Read-Only Users Can Modify Collaborative Documents via Socket.IO Affected Component Socket.IO collaborative document editing handler: - backend/openwebui/socket/main.py lines 667-721, ydoc:document:update handler Affected Versions Current main branch and likely all versions with collaborative not...

PYSEC-2026-2697 Open WebUI: Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access

Stale Admin Role in Socket.IO Session Pool Enables Post-Demotion Cross-User Note Access Affected Component Socket.IO session state and role-check callsites: - backend/openwebui/socket/main.py lines 330-351, connect handler — role snapshotted into SESSIONPOOL - backend/openwebui/socket/main.py lin...

Pillow has a PDF Parsing Trailer Infinite Loop (DoS)

ImpactAn attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. PatchesPatched version: 12.2.0.PdfParser introduced in Pillow 4.2.0 follows Prev pointers in PDF trailers to read cross-reference sections. If...

mkdocs-mcp-plugin has a Path Traversal issue

A vulnerability was found in douinc mkdocs-mcp-plugin up to 0.4.1. This affects the function readdocument/listdocuments of the file server.py. Performing a manipulation of the argument docsdir/filepath results in path traversal. The attack is possible to be carried out remotely. The exploit has...

PYSEC-2026-2653 mkdocs-mcp-plugin has a Path Traversal issue

A vulnerability was found in douinc mkdocs-mcp-plugin up to 0.4.1. This affects the function readdocument/listdocuments of the file server.py. Performing a manipulation of the argument docsdir/filepath results in path traversal. The attack is possible to be carried out remotely. The exploit has...

PYSEC-2026-3011 pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using /FlateDecode with a /Predictor unequal 1 and large predictor parameters. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot...

PYSEC-2026-3006 pypdf: Manipulated XMP metadata entity declarations can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to large memory usage. This requires parsing the XMP metadata. Patches This has been fixed in pypdf==6.10.0. Workarounds If you cannot upgrade yet, consider applying the changes from PR 3724...

PYSEC-2026-3027 pypdf: Manipulated FlateDecode XFA streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing the xfa property of a reader or writer and the corresponding stream being compressed using /FlateDecode. Patches This has been fixed in pypdf==6.7.3. Workarounds If...

LlamaIndex vulnerable to data loss through hash collisions in its DocugamiReader class

A vulnerability in the DocugamiReader class of the run-llama/llamaindex repository, up to but excluding version 0.12.41, involves the use of MD5 hashing to generate IDs for document chunks. This approach leads to hash collisions when structurally distinct chunks contain identical text, resulting ...

Exploit for CVE-2026-46529

─── CVE-2026-46529 ─── 🏴 AMN SECURITY 🏴 مركز أب...

CVE-2026-57695

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Dan Rossiter Document Gallery document-gallery allows Reflected XSS.This issue affects Document Gallery: from n/a through = 5.1.0...

CVE-2026-57409

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in RealMag777 Active Products Tables for WooCommerce profit-products-tables-for-woocommerce allows DOM-Based XSS.This issue affects Active Products Tables for WooCommerce: from n/a through = 1.1.0...

CVE-2026-57814

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in WPMU DEV - Your All-in-One WordPress Platform Forminator forminator allows DOM-Based XSS.This issue affects Forminator: from n/a through = 1.55.0.1...

CVE-2026-57732 WordPress tagDiv Opt-In Builder plugin <= 1.7.4 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in tagDiv tagDiv Opt-In Builder td-subscription allows DOM-Based XSS.This issue affects tagDiv Opt-In Builder: from n/a through = 1.7.4...

CVE-2026-57695 WordPress Document Gallery plugin <= 5.1.0 - Cross Site Scripting (XSS) vulnerability

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Dan Rossiter Document Gallery document-gallery allows Reflected XSS.This issue affects Document Gallery: from n/a through = 5.1.0...

EUVD-2026-43356

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Dan Rossiter Document Gallery document-gallery allows Reflected XSS.This issue affects Document Gallery: from n/a through = 5.1.0...