Cross-site Scripting (XSS)

Overview svelte is a package for building web applications. Affected versions of this package are vulnerable to Cross-site Scripting XSS via improper serialization of hydratable promises. An attacker can execute arbitrary scripts in the context of the affected application by supplying specially...

Svelte: SSR XSS via Insecure Promise Serialization in hydratable

Contents of hydratable promises were not properly stringified, potentially leading to an XSS exploit. You are vulnerable if all of the following is true: - you are using hydratable an experimental feature at the time of this report - you are passing attacker-controlled input such that a synchrono...

Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed

Summary The /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLECODEEXECUTION=false. The feature gate is not enforced on the API endpoint — the configuration says "disabled" but code still executes. Details The...

GHSA-482J-2PQ6-Q5W4 Open WebUI: Jupyter code execution works despite `ENABLE_CODE_EXECUTION=false` — feature gate bypassed

Summary The /api/v1/utils/code/execute endpoint executes arbitrary Python code via Jupyter for any verified user, even when the admin has set ENABLECODEEXECUTION=false. The feature gate is not enforced on the API endpoint — the configuration says "disabled" but code still executes. Details The...

Open WebUI has an Indirect Object Reference (IDOR) in user notes

Summary The API /api/v1/notes/noteid endpoint lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating UUIDs. This results in unauthorized disclosure of potentially sensitive or private user data. Details - if notes is...

Open WebUI has an IDOR vulnerability in the pin_channel_message API endpoint

Summary Pin/Unpin is a write operation modifies the message's ispinned , pinnedby, pinnedat fields, but in standard channels it only checks read permission, allowing users with read-only access to pin/unpin any message. Details...

CVE-2026-8522

Use after free in Downloads in Google Chrome on Mac prior to 148.0.7778.168 allowed a remote attacker to execute arbitrary code via a crafted HTML page. Chromium security severity: Critical...

CVE-2026-42349

Clerk JavaScript is the official JavaScript repository for Clerk authentication. has, auth.protect, and related authorization predicates in @clerk/shared, @clerk/nextjs, @clerk/backend, and other framework SDKs can return true for certain combined authorization checks when the result should be...

CVE-2026-8565

CVE-2026-8565 affects Google Chrome on macOS. The issue is an inappropriate implementation in the Downloads component that, before version 148.0.7778.168, could allow an attacker who persuades a user to install a malicious Chrome Extension to perform UI spoofing via that extension. The vulnerabil...

EUVD-2026-30384

Inappropriate implementation in Downloads in Google Chrome on Mac prior to 148.0.7778.168 allowed an attacker who convinced a user to install a malicious extension to perform UI spoofing via a crafted Chrome Extension. Chromium security severity: Medium...

CVE-2026-44283

etcd is a distributed key-value store for the data of a distributed system. Prior to 3.4.44, 3.5.30, and 3.6.11, a vulnerability in etcd allows read access via PrevKv, or lease attachment in Put requests within transaction operations, to bypass RBAC authorization checks. An authenticated user...

Portainer: JWT accepted in URL query leaks tokens to logs and referers

Summary Portainer's authentication middleware accepts JWT bearer tokens passed as the ?token= URL query parameter on any authenticated API endpoint, in addition to the standard Authorization: Bearer header. URLs are recorded in reverse-proxy access logs, browser history, and HTTP Referer headers ...

CVE-2026-42596

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, the default deny-lists used by Gotenberg's downloadFrom feature and webhook feature are bypassable. Because the filter is regex-based and case-sensitive, an unauthenticated attacker can supply URLs such as...

CVE-2026-42596 Gotenberg: Unauthenticated SSRF via default deny-list bypass in downloadFrom and webhook

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, the default deny-lists used by Gotenberg's downloadFrom feature and webhook feature are bypassable. Because the filter is regex-based and case-sensitive, an unauthenticated attacker can supply URLs such as...

CVE-2026-42596

CVE-2026-42596 describes an unauthenticated SSRF vulnerability in Gotenberg’s default deny-list filtering for the downloadFrom and webhook features. The issue arises because the deny-lists are regex-based and case-sensitive, allowing attacker-controlled URLs (e.g., IPv4-mapped IPv6 loopback forms...

CVE-2026-42596

Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.31.0, the default deny-lists used by Gotenberg's downloadFrom feature and webhook feature are bypassable. Because the filter is regex-based and case-sensitive, an unauthenticated attacker can supply URLs such as...

PT-2026-41049

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 148.0.7778.168 Description A race condition in the Payments component allows a remote attacker to potentially achieve a sandbox escape by using a specially crafted HTML page. A sandbox escape is a technique used...

PT-2026-41094

Name of the Vulnerable Software and Affected Versions Google Chrome on Mac versions prior to 148.0.7778.168 Description An inappropriate implementation in Downloads allows an attacker to perform UI spoofing via a crafted Chrome Extension, provided they can convince a user to install a malicious...

PT-2026-41199

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.8.11 Description The API endpoint '/api/v1/notes/note id' lacks proper authorization checks, allowing authenticated users to retrieve notes belonging to other users by guessing or enumerating note id UUIDs. This...

EUVD-2025-209828

The locally served web site on the Garmin WDU v1 1.4.6 and v2 5.0 allows a symlink attack. If a malicious graphics package containing symlinks is uploaded, the web server follows the supplied links when serving content. No mechanisms to restrict those link targets to a specific area of the...