CVE-2026-49477 Soup Sieve: Regular Expression Denial of Service (ReDoS) in soupsieve Selector Parser

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-49477

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

EUVD-2026-44538

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

CVE-2026-49477 Soup Sieve: Regular Expression Denial of Service (ReDoS) in soupsieve Selector Parser

Soup Sieve is a CSS selector library designed to be used with Beautiful Soup 4. Prior to 2.8.4, the CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking when processing an attribute selector with an unterminated quoted value in...

JLSEC-2026-664 Stack overflow vulnerability in `ast_selectors.cpp` in function...

Stack overflow vulnerability in astselectors.cpp in function Sass::CompoundSelector::hasrealparentref in libsass:3.6.5-8-g210218, which can be exploited by attackers to causea denial of service DoS. Also affects the command line driver for libsass, sassc 3.6.2...

Soup Sieve: Regular Expression Denial of Service (ReDoS) via Selector Parser

SummaryThe CSS selector parser in soupsieve the CSS selector engine for Beautiful Soup 4 contains a regular expression vulnerable to catastrophic backtracking. When processing an attribute selector with an unterminated quoted value, the VALUE regex pattern in cssparser.py enters exponential...

PT-2026-59691

Summary The CSS selector parser in soupsieve the CSS selector engine for Beautiful Soup 4 contains a regular expression vulnerable to catastrophic backtracking. When processing an attribute selector with an unterminated quoted value, the VALUE regex pattern in css parser.py enters exponential...

GHSA-836R-79RF-4M37 Soup Sieve: Regular Expression Denial of Service (ReDoS) via Selector Parser

Summary The CSS selector parser in soupsieve the CSS selector engine for Beautiful Soup 4 contains a regular expression vulnerable to catastrophic backtracking. When processing an attribute selector with an unterminated quoted value, the VALUE regex pattern in cssparser.py enters exponential...

Soup Sieve has Memory Exhaustion via Large Comma-Separated Selector Lists

Summary The CSS selector parser in soupsieve the CSS selector engine for Beautiful Soup 4 allocates unbounded memory when compiling large comma-separated selector lists. An attacker who can supply a crafted CSS selector string to soupsieve.compile or Beautiful Soup's .select / .selectone can caus...

PT-2026-56840

Name of the Vulnerable Software and Affected Versions soupsieve affected versions not specified Description The CSS selector parser in soupsieve contains a regular expression vulnerable to catastrophic backtracking, which occurs when the regex engine takes an exponential amount of time to process...

PT-2026-56839

Name of the Vulnerable Software and Affected Versions soupsieve versions prior to 2.8.4 Description The CSS selector parser in soupsieve allocates unbounded memory when compiling large comma-separated selector lists. An attacker can provide a crafted selector string to the soupsieve.compile...

python-soupsieve: Soupsieve: Denial of Service via crafted CSS selector string

A flaw was found in soupsieve, a CSS selector library used with Beautiful Soup 4. This vulnerability allows a remote attacker to cause a denial of service DoS by supplying a specially crafted CSS selector string. The parser allocates unbounded memory when compiling large, comma-separated selector...

soupsieve: Soupsieve: Denial of Service via crafted CSS selector strings

A flaw was found in soupsieve, a CSS selector library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by supplying specially crafted, untrusted CSS selector strings. The flaw occurs due to a regular expression vulnerable to catastrophic backtracking when processing a...

CVE-2026-55602 http-proxy-middleware `router` host+path substring matching allows Host-header-driven backend routing bypass

http-proxy-middleware is node.js http-proxy middleware. From 0.16.0 until 2.0.10, 3.0.6, and 4.1.0, http-proxy-middleware documents router proxy-table entries as host, path, or host+path selectors, but the host+path implementation uses unanchored substring matching on attacker-controlled request...

EUVD-2026-38300

http-proxy-middleware is node.js http-proxy middleware. From 0.16.0 until 2.0.10, 3.0.6, and 4.1.0, http-proxy-middleware documents router proxy-table entries as host, path, or host+path selectors, but the host+path implementation uses unanchored substring matching on attacker-controlled request...

soupsieve: Soupsieve: Denial of Service via crafted CSS selector strings

A flaw was found in soupsieve, a CSS selector library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by supplying specially crafted, untrusted CSS selector strings. The flaw occurs due to a regular expression vulnerable to catastrophic backtracking when processing a...

Exposure of Sensitive Information Through Metadata

Overview org.apache.activemq:activemq-broker is a high performance Apache 2.0 licensed Message Broker and JMS 1.1 implementation. Affected versions of this package are vulnerable to Exposure of Sensitive Information Through Metadata in the BrokerInfo component. An attacker can obtain sensitive...

Security Bulletin: Multiple security vulnerabilities are addressed with Cloud Pak foundational services 4.17.0 shipped with IBM Cloud Pak for Business Automation iFixes for April 2026

Summary IBM Cloud Pak for Business Automation includes IBM Cloud Pak foundational services. IBM Cloud Pak for Business Automation April 2026 security fixes update this dependency beyond 4.17.0 to address security vulnerabilities. Vulnerability Details CVEID:CVE-2022-23990 DESCRIPTION: Expat aka...

DEBIAN-CVE-2026-9358

A vulnerability was determined in postcss-selector-parser up to 6.1.2/7.1.2. Affected is the function toString of the file src/selectors/container.js of the component AST Serialization. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack remotely. The...

CVE-2026-9358

A vulnerability was determined in postcss up to 7.1.1. Affected is the function toString of the file src/selectors/container.js of the component AST Serialization. Executing a manipulation can lead to uncontrolled recursion. It is possible to launch the attack remotely. The exploit has been...