PYSEC-2026-2724 Open WebUI has Stored XSS in Pending User Overlay via Incorrect DOMPurify Application Order

Vulnerability Details CWE-79: Cross-site Scripting XSS The AccountPending.svelte component renders the admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order: Vulnerable Code...

DEBIAN-CVE-2026-59930

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the toc plugin and TableOfContents directive generate heading IDs as predictable tocN values without slugifying the heading text, allowing attacker-controlled id="tocN" content to collide with generated anchors and...

GHSA-FQ3V-XJJX-95RC Open WebUI has Stored XSS in Pending User Overlay via Incorrect DOMPurify Application Order

Vulnerability Details CWE-79: Cross-site Scripting XSS The AccountPending.svelte component renders the admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order: Vulnerable Code...

Open WebUI has Stored XSS in Pending User Overlay via Incorrect DOMPurify Application Order

Vulnerability Details CWE-79: Cross-site Scripting XSS The AccountPending.svelte component renders the admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order: Vulnerable Code...

SUSE CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

PT-2026-39284

Name of the Vulnerable Software and Affected Versions Open WebUI versions prior to 0.9.0 Description The AccountPending.svelte component renders admin-configured "Pending User Overlay Content" using marked.parse inside @html with an incorrect DOMPurify application order. DOMPurify is applied to t...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079 Mistune ReDoS in LINK_TITLE_RE allows denial of service with crafted Markdown titles

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

CVE-2026-33079

Mistune 3.0.0a1–3.2.0 contains a ReDoS in LINK_TITLE_RE used for parsing link titles, enabling exponential backtracking when processing Markdown strings with repeated ! sequences and no closing quote. The ambiguity arises from overlapping alternatives in the two branches (double-quoted and single...

CVE-2026-33079

In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS Regular Expression Denial of Service vulnerability in LINKTITLERE that allows an attacker who can supply Markdown for parsing to cause denial of service. The regular expression used for parsing link titles contains overlapping...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS through the LINKTITLERE regular expression in Markdown parsing. An attacker can cause excessive resource consumption and make the application unresponsive by submitting specially crafted Markdo...

CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

PYSEC-2026-89

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

CVE-2025-69534

Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does not catch this exception, any application that processes attacker-controlled Markdown...

CVE-2026-22793 5ire vulnerable to Remote Code Execution (RCE) via ECharts

5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client. Prior to version 0.15.3, an unsafe option parsing vulnerability in the ECharts Markdown plugin allows any user able to submit ECharts code blocks to execute arbitrary JavaScript code in the...

EUVD-2023-32056

Malicious code in bioql PyPI...

EUVD-2023-2549

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2018-25110

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Marked prior to version 0.3.17 is vulnerable to a Regular Expression Denial of Service ReDoS attack due to catastrophic backtracking in several regular...