Tiptap: Quadratic ReDoS in block and inline Markdown attribute parsing

Summary @tiptap/core contains two quadratic regular-expression denial-of-service paths in its default Markdown attribute parsers. Pandoc-style block attributes use two unanchored greedy expressions that rescan repeated QUOTED0 prefixes. Inline shortcode attributes use another unanchored greedy ke...

EUVD-2026-72870

Snipe-IT before 8.7.1 fails to validate the length of the note field in the POST /account/accept/acceptance endpoint, allowing authenticated users to submit unbounded input that reaches synchronous CommonMark rendering. Attackers can submit large note values to exhaust PHP worker CPU and cause...

EUVD-2026-72388

league/commonmark versions before 2.9.1 contain multiple denial of service vulnerabilities in fenced code block detection, reference link label lookup, and emphasis delimiter processing that perform super-linear work on crafted input. Attackers can submit specially crafted Markdown with long...

CVE-2026-86429

CVE-2026-86429 affects the thephpleague/commonmark PHP library (versions ≥ 1.5.0,

Linux Distros Unpatched Vulnerability : CVE-2026-86430

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - league/commonmark versions before 2.9.1 contain multiple denial of service vulnerabilities in fenced code block detection, reference link label lookup, and...

CVE-2022-41220

Description of CVE-2022-41220 md2roff 1.9 suffers from a stack-based buffer overflow via a Markdown file containing a large number of consecutive characters to be processed. Replication To replicate the vulnerability, download a vulnerable version of md2roff version 1.9: root@kitploit: git clone...

CVE-2026-85600

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-85600

Grav Admin (getgrav/grav-plugin-admin2) versions ≤ 2.0.19 contain a stored XSS vulnerability in the tHtml() function (src/lib/stores/i18n.svelte.ts). The function substitutes untrusted parameters—such as usernames—into translation templates before parsing the result as markdown. Grav's server-sid...

CVE-2026-85600 Grav Admin before 2.0.21 Stored XSS via username

Grav Admin getgrav/grav-plugin-admin2 versions , ", or ', allowing an attacker to register a username containing an HTML payload. When an administrator views a UI surface that renders the username through tHtml—such as the two-factor force-disable confirmation prompt or the 'page is locked' edito...

CVE-2026-57170 Trestle SSTI in Jinja2 include tags allows arbitrary code execution (Incomplete fix of CVE-2026-46439)

Compliance-trestle Trestle is a Python SDK and command-line tool for managing OSCAL compliance documents. In versions prior to 3.12.4 and 4.0.0 through 4.0.3, the custom Jinja2 include tags mdsectioninclude and mdcleaninclude re-parse the content of an included Markdown file as Jinja2 template co...

Uncontrolled Recursion

Overview Affected versions of this package are vulnerable to Uncontrolled Recursion through the InlineParser emphasis processing in src/mistune/inlineparser.py. An attacker can crash the Python process by supplying Markdown with a very long run of emphasis markers, such as hundreds or thousands o...

CVE-2026-75048

JetBrains YouTrack before 2026.2.18068 allows stored XSS via the fenced code-block language label; an unauthenticated attacker can inject JavaScript that executes in other users' browsers, scoring CVSS 8.2 HIGH. Exploitation status is not provided in the documents. Upgrade to YouTrack 2026.2.1806...

Linux Distros Unpatched Vulnerability : CVE-2026-71488

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser ...

CVE-2026-71488

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

DEBIAN-CVE-2026-71488

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

DEBIAN-CVE-2026-71478

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 1.5.0 until 2.9.0, the AttributesExtension's href and src unsafe-link filter can be bypassed by embedding control bytes, such as a tab, carriage return, line feed, or leading C0 control character, in a...

UBUNTU-CVE-2026-71488

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

CVE-2026-71488

league/commonmark is a PHP library for parsing and rendering CommonMark Markdown. From 0.6.0 until 2.9.0, specially crafted Markdown lines can cause the parser to have quadratic time complexity when converting, because several parsing paths repeatedly rescan growing portions of a line to translat...

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...