EUVD-2025-208312

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...

Uncaught Exception

Overview Affected versions of this package are vulnerable to Uncaught Exception via the HTMLParser component. An attacker can cause application crashes or potentially disclose information by submitting specially crafted, malformed HTML-like sequences in Markdown input. PoC python import markdown...

Python-Markdown has an Uncaught Exception

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...

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...

DEBIAN-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-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...

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...

UBUNTU-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...

PT-2026-23450

Name of the Vulnerable Software and Affected Versions Python-Markdown versions prior to 3.8.1 Description A flaw exists in Python-Markdown version 3.8 where improperly formed HTML-like sequences can trigger an unhandled AssertionError within the html.parser.HTMLParser during Markdown processing...

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...

Python-Markdown 安全漏洞

Python-Markdown is an open-source Python implementation of a Markdown parser. Version 3.8 of Python-Markdown contains a security vulnerability. This vulnerability stems from malformed HTML sequences, which can lead to unhandled assertion errors, potentially causing remote denial-of-service attack...

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-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-2025-69534

The CVE-2025-69534 affects Python-Markdown 3.8, where malformed HTML-like sequences trigger an unhandled AssertionError in html.parser.HTMLParser during Markdown parsing. This can produce a remote, unauthenticated Denial of Service for applications rendering untrusted Markdown, with potential inf...

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-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...

SUSE CVE-2026-25802

New API is a large language mode LLM gateway and artificial intelligence AI asset management system. Prior to version 0.10.8-alpha.9, a potential unsafe operation occurs in component MarkdownRenderer.jsx, allowing for Cross-Site ScriptingXSS when the model outputs items containing tag. Version...

GHSA-R294-2894-92J3 OpenClaw has stored XSS in exported session HTML viewer via markdown/raw-HTML rendering

Summary The exported session HTML viewer allowed stored XSS when untrusted session content included raw HTML markdown tokens or unescaped metadata fields. Impact Opening a crafted exported HTML session could execute attacker-controlled JavaScript in the viewer context. This can expose session...

GHSA-WWP2-X4RJ-J8RM NocoDB Vulnerable to Stored Cross-Site Scripting via Rich Text Cells

Summary Rich text cell content rendered via v-html without sanitization, enabling stored XSS. Details Rich text in TextArea.vue was parsed by markdown-it with html: true and injected via v-html without DOMPurify. A user with Editor role can inject arbitrary HTML that executes for all viewers...