DEBIAN-CVE-2026-59926

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

CVE-2026-59927

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the Include directive in src/mistune/directives/include.py detects only direct self-includes and not indirect cycles, allowing two markdown files that include each other to trigger unbounded recursion, raise...

CVE-2026-59927 Mistune directives/include: mutual `.. include::` recursion crashes the renderer with `RecursionError`, denial of service via two attacker-controlled markdown files

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the Include directive in src/mistune/directives/include.py detects only direct self-includes and not indirect cycles, allowing two markdown files that include each other to trigger unbounded recursion, raise...

CVE-2026-59927

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the Include directive in src/mistune/directives/include.py detects only direct self-includes and not indirect cycles, allowing two markdown files that include each other to trigger unbounded recursion, raise...

CVE-2026-59924

Mistune (Python Markdown parser) prior to v3.3.0 contains a path traversal flaw in Include.parse() where include paths are joined/normalized without ensuring the result stays inside the markdown directory. When processing markdown files via md.read(), crafted include paths could read files outsid...

CVE-2026-59924 Mistune: Arbitrary File Read via Include directive path traversal

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, Include.parse joins and normalizes user-supplied include paths without verifying that the result remains within the intended markdown directory, allowing crafted include paths to access files outside that directory wh...

CVE-2026-59926 Mistune: XSS via unescaped class option in Admonition directive

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

CVE-2026-59926 Mistune: XSS via unescaped class option in Admonition directive

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

CVE-2026-59926 Mistune: XSS via unescaped class option in Admonition directive

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, renderadmonition in src/mistune/directives/admonition.py concatenates the Admonition directive :class: option into the HTML class attribute without escaping, allowing attribute injection and cross-site scripting even...

PT-2026-56518

Name of the Vulnerable Software and Affected Versions Mistune versions prior to 3.3.0 Description The Include directive in src/mistune/directives/include.py only detects direct self-includes and fails to identify indirect cycles. This allows two markdown files that include each other to trigger...

github.com/containerd/containerd: containerd: Privilege escalation via incorrect user ID handling

A flaw was found in containerd, an open-source container runtime. Containers launched with a numeric User directive that cannot be parsed as a 32-bit integer are incorrectly treated as a username. This vulnerability allows a crafted container image to bypass the Kubernetes runAsNonRoot restrictio...

Server-side Request Forgery (SSRF)

Overview snowflake-cli is a Snowflake CLI Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the !source or !load directives, which allow referencing remote URLs that are fetched at runtime without sufficient restriction on the request destination. An attacke...

CVE-2026-57958

Summary: Mixpost

CVE-2026-57958

Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth...

EUVD-2026-40143

Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth...

CVE-2026-13751 Snowflake CLI Server-Side Request Forgery via Arbitrary URL Fetch in !source/!load

Improper handling of untrusted remote references in Snowflake CLI versions prior to 3.19 allowed server-side request forgery. The SQL statement reader's !source/!load directives could reference remote URLs that were retrieved at runtime without sufficient restriction on the request destination. B...

CVE-2026-13751 Snowflake CLI Server-Side Request Forgery via Arbitrary URL Fetch in !source/!load

Improper handling of untrusted remote references in Snowflake CLI versions prior to 3.19 allowed server-side request forgery. The SQL statement reader's !source/!load directives could reference remote URLs that were retrieved at runtime without sufficient restriction on the request destination. B...

PYSEC-2026-366 Jupyter Server: Stored XSS in `NbconvertFileHandler` / `NbconvertPostHandler` via missing `sandbox` CSP

The nbconvert HTTP handlers in jupyterserver render user-authored notebook HTML under the Jupyter origin without a sandbox directive in their Content-Security-Policy. Combined with nbconvert.HTMLExporter's default non-sanitizing behavior, a notebook carrying an HTML payload in a displaydata outpu...

PT-2026-58091

Name of the Vulnerable Software and Affected Versions Pillow versions 12.0.0 through 12.2.0 Description The EPS parser in PIL/EpsImagePlugin.py accepts a negative byte count within the %%BeginBinary directive. A specially crafted EPS file can trigger the Image.open function to seek backwards to t...

CVE-2026-50146

Astro is a web framework. Prior to 6.3.3, when a component uses a client: directive, Astro inserts named slot content into a data-astro-template attribute without HTML escaping the slot name allowing an attacker to break out of the attribute context and inject arbitrary HTML, resulting in reflect...