336 matches found
CLEANSTART-2026-EO06774 markdown-it is a Markdown parser
CVE-2026-48988 affects multiple packages. markdown-it is a Markdown parser. See references for individual vulnerability details...
UBUNTU-CVE-2026-111766
markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...
CVE-2026-111759
markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...
Out-of-bounds Read
Overview github.com/gomarkdown/markdown/parser is a library for parsing Markdown text and rendering as HTML. Affected versions of this package are vulnerable to Out-of-bounds Read through the IsSafeURL function. An attacker can cause a panic and crash the application by supplying a specially...
CVE-2026-85740
LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.5, validatedaddresses in lightrag/parser/markdown/parser.py evaluates the literal resolved address with ipaddress.isglobal without consistently classifying an IPv4 address embedded in an IPv6 transition wrapper. A call...
PT-2026-96826
Name of the Vulnerable Software and Affected Versions LightRAG versions prior to 1.5.5 Description LightRAG contains a Server-Side Request Forgery SSRF issue in its native markdown parser. The validated addresses function in lightrag/parser/markdown/parser.py fails to consistently decode IPv6...
CVE-2026-86349
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
CVE-2026-86349
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
EUVD-2026-77480
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
CVE-2026-86349 Mattermost Server Algorithmic DoS via Unbounded Markdown Block Nesting
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
Astra Linux – Vulnerability in node-marked
Marked is a markdown parser and compiler. Prior to version 4.0.10, the regular expression block.def might cause catastrophic backtracking against certain strings, leading to a regular expression denial of service ReDoS attack. Any user who runs untrusted markdown using a vulnerable version of...
PT-2026-91239
Name of the Vulnerable Software and Affected Versions Mattermost version 11.9.0 Mattermost versions 11.8.x through 11.8.4 Mattermost versions 11.7.x through 11.7.8 Mattermost versions 10.11.x through 10.11.22 Description The server-side Markdown parser fails to limit nesting depth. This allows an...
CVE-2026-86349: Inefficient Algorithmic Complexity
Mattermost versions 11.9.x = 11.9.0, 11.8.x = 11.8.4, 11.7.x = 11.7.8, 10.11.x = 10.11.22 fail to limit the nesting depth in the server-side Markdown parser which allows an authenticated attacker to cause a denial of service CPU resource exhaustion via a crafted post containing deeply nested...
Important: python-mistune
Issue Overview: Mistune is a Python Markdown parser with renderers and plugins. Versions 3.3.0 through 3.3.2 are vulnerable to DoS through deeply nested tokens. HTML rendering creates deeply nested emphasis tokens from consecutive asterisk characters, and recursive rendering in...
Amazon Linux 2023 : python3-mistune (ALAS2023-2026-2148)
It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-2148 advisory. Mistune is a Python Markdown parser with renderers and plugins. Versions 3.3.0 through 3.3.2 are vulnerable to DoS through deeply nested tokens. HTML rendering creates deeply nested emphasis tokens fro...
CVE-2026-86751 Snipe-IT before 8.7.0 Arbitrary File Read and SSRF via Markdown
Snipe-IT before 8.7.0 fails to properly sanitize markdown image syntax in note fields, allowing authenticated users to read arbitrary server files and issue server-side HTTP requests. Attackers can submit markdown image syntax in checkout acceptance notes that survive HTML escaping, are expanded ...
Inefficient Algorithmic Complexity
Overview league/commonmark is a PHP-based Markdown parser which supports the full CommonMark spec. It is based on the CommonMark JS reference implementation. Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity through the AttributesListener::findTargetAndDirecti...