CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

PYSEC-2026-2209

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

PYSEC-2026-168

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and realier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

UBUNTU-CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

UBUNTU-CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899

CVE-2026-44899 – Mistune Image Directive CSS Injection exploits a prefix-only regex in the Image directive’s width/height validation. Before 3.2.1, values starting with digits (e.g., 100vw;…) pass _num_re.match() and are written into style="width:...;" or style="height:...;" without escaping, ena...

CVE-2026-44899

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

EUVD-2026-31992

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44899 Mistune Image Directive CSS Injection Vulnerability

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.2.1, the Image directive plugin validates the :width: and :height: options with a regex compiled as numre = re.compiler"^\d+?:.\d?". When the validated value is not a plain integer, renderblockimage inserts it directly int...

CVE-2026-44896

Mistune is a Python Markdown parser with renderers and plugins. In 3.2.0 and earlier, in src/mistune/directives/image.py, the renderfigure function concatenates figclass and figwidth options directly into HTML attributes without escaping. This allows attribute injection and XSS even when...

CVE-2026-9445

A flaw has been found in SourceCodester Simple POS and Inventory System 1.0. Impacted is an unknown function of the file /admin/addproduct.php of the component File Extension Handler. This manipulation of the argument image causes unrestricted upload. Remote exploitation of the attack is possible...

JLSEC-2026-552

OpenJPEG is an open-source JPEG 2000 codec. In OpenJPEG from 2.5.1 through 2.5.3, a call to opjjp2readheader may lead to OOB heap memory write when the data stream pstream is too short and pimage is not initialized...

JLSEC-2026-534

jp2/opjdecompress.c in OpenJPEG through 2.3.1 has a use-after-free that can be triggered if there is a mix of valid and invalid files in a directory operated on by the decompressor. Triggering a double-free may also be possible. This is related to calling opjimagedestroy twice...

JLSEC-2026-543

OpenJPEG through 2.3.1 has a heap-based buffer overflow in opjt1clbldecodeprocessor in openjp2/t1.c because of lack of opjj2kupdateimagedimensions validation...

JLSEC-2026-545

Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service DoS. This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files...

CVE-2026-44775 Kavita: No authentication at /api/Reader/image

Kavita is a cross platform reading server. Prior to 0.9.0, the ReaderController.GetImage endpoint is decorated with AllowAnonymous, allowing completely unauthenticated access to page images from any chapter in any library. While the endpoint accepts an apiKey parameter, it is never validated. Sin...