python-markdown: denial of service via malformed HTML-like sequences

A flaw was found in Python-Markdown. Parsing crafted markdown content containing malformed HTML-like sequences causes html.parser.HTMLParser to raise an unhandled AssertionError. This unhandled exception allows an attacker to cause an application crash and potentially disclose sensitive informati...

Important: Red Hat Security Advisory: python-markdown security update

An update for python-markdown is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CVE-2026-44708: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the mistune math plugin renders inline math $...$ and block math $$...$$ by concatenating the raw user-supplied content directly into the HTML output without any HTML escaping. This occurs even when the parser is...

CVE-2026-44898: Improper Neutralization of Input During Web Page Generation

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, rendertocul builds a table-of-contents tree from a list of level, id, text tuples. Both the id value used as href=" " and the text value used as the visible link label are inserted into tags via a plain Python format...

RHEL 9 : python-markdown (RHSA-2026:20676)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:20676 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic da...

RHEL 10 : python-markdown (RHSA-2026:20677)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:20677 advisory. Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic...

CVE-2026-9472

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function downloadmarkdown/listdownloadedfiles/createsubdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. T...

CVE-2026-9472 dazeb markdown-downloader index.ts create_subdirectory path traversal

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function downloadmarkdown/listdownloadedfiles/createsubdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. T...

EUVD-2026-31704

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function downloadmarkdown/listdownloadedfiles/createsubdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. T...

CVE-2026-9472

CVE-2026-9472 affects the dazeb markdown-downloader. A vulnerability exists in the functions download_markdown, list_downloaded_files, and create_subdirectory within src/index.ts, enabling path traversal through input manipulation. The attack could be launched remotely, and an exploit has been pu...

CVE-2026-9472 dazeb markdown-downloader index.ts create_subdirectory path traversal

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function downloadmarkdown/listdownloadedfiles/createsubdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. T...

Markdown Downloader MCP Server 路径遍历漏洞

Markdown Downloader MCP Server is a web-to-Markdown downloader from the individual developer Darren Bennett. A path traversal vulnerability exists in Markdown Downloader MCP Server, which originates from the operation of the function downloadmarkdown/listdownloadedfiles/createsubdirectory in the...

PT-2026-43087

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function download markdown/list downloaded files/create subdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotel...

CVE-2026-9472: Improper Limitation of a Pathname to a Restricted Directory

A flaw has been found in dazeb markdown-downloader up to 3d4394b34b6c99d81af817623af55e3384df5a6a. Affected is the function downloadmarkdown/listdownloadedfiles/createsubdirectory of the file src/index.ts. Executing a manipulation can lead to path traversal. The attack can be launched remotely. T...

CVE-2026-48988

creationtimestamp| type| source ---|---|--- 2026-05-23 23:47:27+00:00| published-proof-of-concept| https://github.com/markdown-it/markdown-it/security/advisories/GHSA-6v5v-wf23-fmfq 2026-06-17 22:39:57+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mojeymb5ll2z...

PT-2026-42752

Name of the Vulnerable Software and Affected Versions Sync-in versions prior to 2.3 Description An issue exists in the URL download feature where the private IP blocklist regex fails to match IPv4-mapped IPv6 addresses, such as ::ffff:127.0.0.1. On dual-stack systems, Node.js may report a socket'...

Unity Linux 20.1060e / 20.1070e Security Update: grafana (UTSA-2026-016632)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016632 advisory. Grafana is an open-source platform for monitoring and observability. Grafana prior to versions 8.3.2 and 7.5.12 contains a directory traversal vulnerability for full...

Improper Encoding or Escaping of Output

Overview Affected versions of this package are vulnerable to Improper Encoding or Escaping of Output in the htmltomarkdown, markdowntohtml, and inlinecss filters due to incorrect declaration of output safety. An attacker can inject unescaped HTML or script content by supplying specially crafted...

Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`

Description Several filters in the twig/ extras packages are registered with issafe = 'all', which tells Twig's autoescaper to treat their output as safe in every context html, js, css, url, .... The output of these filters is plain text or HTML markup, neither of which is safe in every escaping...

GHSA-JV8M-2544-3PG3 Twig: HTML-output filters in twig/* extras incorrectly declared `is_safe => ['all']`

Description Several filters in the twig/ extras packages are registered with issafe = 'all', which tells Twig's autoescaper to treat their output as safe in every context html, js, css, url, .... The output of these filters is plain text or HTML markup, neither of which is safe in every escaping...