CVE-2026-44838

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

EUVD-2026-32548

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838

RabbitMQ MQTT plugin contains a permission bypass vulnerability: topic-level authorization uses user-supplied client_id substituted into a regex pattern without escaping. From 4.2.0 up to before 4.2.4, an authenticated MQTT user could inject regex operators to bypass topic restrictions. The issue...

CVE-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

CVE-2026-44838 RabbitMQ MQTT Topic Permission Authorization Bypass

RabbitMQ is a messaging and streaming broker. From 4.2.0 to before 4.2.4, RabbitMQ's MQTT plugin allows for topic-level authorization using regular expressions with variable substitution. Administrators can create patterns such as ^clientid-sensors$ to restrict user access to topics that include...

SUSE CVE-2026-9496

Versions of the package pacote from 11.2.7 and before 21.5.1 are vulnerable to Denial of Service DoS via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers the function's regex replacement and string-manipulation...

LiquidJS's strip_html filter bypass via newline characters in HTML tags enables XSS

Summary The striphtml filter in liquidjs is intended to remove HTML tags from a string before rendering, and is widely used as an XSS sanitizer. The implementation uses a regex whose catch-all branch does not match line terminators, so any HTML tag containing a \n or \r character passes through...

GHSA-7G26-2QGJ-CHFG CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

RabbitMQ 安全漏洞

RabbitMQ is an open-source, feature-rich multi-protocol message and streaming media broker. Versions of RabbitMQ from 4.2.0 to 4.2.4 contained a security vulnerability. This vulnerability stemmed from the use of regular expressions for variable substitutions in topic-level authorization within th...

PT-2026-44156

Name of the Vulnerable Software and Affected Versions LiquidJS versions prior to 10.26.0 Description The built-in strip html filter uses a regular expression containing four flawed lazy-quantified alternatives. When processing input with numerous script, style, or !-- opener tokens that lack...

PT-2026-44002

Name of the Vulnerable Software and Affected Versions RabbitMQ versions 4.2.0 through 4.2.3 Description The MQTT plugin in RabbitMQ allows topic-level authorization using regular expressions with variable substitution. When administrators use patterns like ^client id-sensors$ to restrict access,...

PicoClaw 安全漏洞

PicoClaw is a super-lightweight personal AI assistant tool developed by Sipeed. Versions of PicoClaw up to v0.1.2 contained security vulnerabilities. These vulnerabilities stemmed from the guardCommand function in the ExecTool component, which used incomplete 8 regular expression blacklists to...

CarrierWave has a denylisted_content_type bypass via Unescaped Regex Metacharacters

Summary CarrierWave's contenttypedenylist check fails to escape regex metacharacters in string entries, causing the denylist to silently not match the content types it is intended to block. Note: CarrierWave is aware contenttypedenylist is deprecated for the security reason, but it still used by...

PT-2026-43454

Name of the Vulnerable Software and Affected Versions CarrierWave versions prior to 2.2.7 CarrierWave versions prior to 3.1.3 Description CarrierWave is a framework used to upload files from Ruby applications. The content type denylist check fails to escape regex metacharacters in string entries,...

PT-2026-43458

Name of the Vulnerable Software and Affected Versions LiquidJS versions prior to 10.26.0 Description A flaw in the strip html filter logic allows for Cross-Site Scripting XSS. The filter is designed to remove HTML tags from strings to act as a sanitizer; however, it uses a regular expression wher...

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...