SvelteKit: ReDoS (O(n^2)) in content negotiation — unauthenticated DoS via the Accept header

Impact SvelteKit is vulnerable to remote CPU-exhaustion DoS attacks via specifically-crafted Accept headers. The impact is mitigated by default header length limits on most platforms, but in the case of raised or absent limits a denial of service is possible. Patches The vulnerability is patched ...

CVE-2026-66062 SvelteKit: ReDoS (O(n^2)) in content negotiation — unauthenticated DoS via the Accept header

SvelteKit is a framework for rapidly developing robust, performant web applications using Svelte. Prior to 2.70.2, the content negotiation header parser used by SvelteKit's request handling for headers such as Accept uses a regular expression vulnerable to quadratic backtracking, so a maliciously...

NPM: Hono: ReDoS in CORS middleware via Access-Control-Request-Headers

NPM: Hono: ReDoS in CORS middleware via Access-Control-Request-Headers vulnerability discovered by ? in WordPress Npm hono versions 4.12.34...

CVE-2026-23985

A Regular Expression Denial of Service ReDoS vulnerability exists in Apache Superset versions 1.5.0 through 5.0.0. The vulnerability is located in the sqlparse.py component, specifically within the SQLREGEX used for parsing SQL statements in the sqlparse library integration. The affected regular...

CVE-2026-23985

CVE-2026-23985 is a ReDoS vulnerability in Apache Superset versions 1.5.0–5.0.0, arising from the sql_parse.py component’s integration with the sqlparse library. The issue centers on the SQL_REGEX used to parse SQL statements, where overlapping disjunctions share a common outer quantifier, enabli...

Security Bulletin: IBM Watson Speech Services Cartridge is vulnerable to a Regular Expression Denial of Service (ReDoS) in Spring Framework [CVE-2026-41848]

Summary IBM Watson Speech Services Cartridge is vulnerable to a Regular Expression Denial of Service ReDoS in Spring Framework CVE-2026-41848. Spring Framework is used as part of our microservices. This vulnerability has been addressed. Please read the details for remediation below. Vulnerability...

openSUSE 16: cockpit / cockpit-bridge / cockpit-devel / cockpit-firewalld / etc (openSUSE-SU-2026:21399-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21399-1 advisory. Security issues fixed: - CVE-2025-13465: lodash: prototype pollution in the .unset and .omit functions can lead to deletion of methods from glob...

SUSE-SU-2026:22770-1 Security update for cockpit, cockpit-machines, cockpit-packages, cockpit-podman, cockpit-repos, cockpit-subscriptions

This update for cockpit, cockpit-machines, cockpit-packages, cockpit-podman, cockpit-repos, cockpit-subscriptions fixes the following issues: Security issues fixed: - CVE-2025-13465: lodash: prototype pollution in the .unset and .omit functions can lead to deletion of methods from global prototyp...

OPENSUSE-SU-2026:21399-1 Security update for cockpit, cockpit-machines, cockpit-packages, cockpit-podman, cockpit-repos, cockpit-subscriptions

This update for cockpit, cockpit-machines, cockpit-packages, cockpit-podman, cockpit-repos, cockpit-subscriptions fixes the following issues: Security issues fixed: - CVE-2025-13465: lodash: prototype pollution in the .unset and .omit functions can lead to deletion of methods from global prototyp...

CVE-2026-62237 Grav < 2.0.4 ReDoS via regex_replace in Sandbox

Grav before 2.0.4 contains a regular expression denial of service ReDoS vulnerability in the regexreplace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled security.twigcontent.processenabled: true, disabled by default, an...

CVE-2026-45367 HAPI FHIR: ReDoS via FHIRPath matches()/replaceMatches() in FHIR Validator HTTP Endpoint

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.7, the FHIRPathEngine implementation passes user-controlled regular expressions from matches, matchesFull, and replaceMatches to Java regex operations without effective timeouts,...

CVE-2026-48125

A flaw was found in UAParser.js, a JavaScript library for detecting client information. A remote attacker can exploit this vulnerability by sending a specially crafted Sec-CH-UA-Model header when the application uses the Client Hints API. This can cause excessive CPU usage due to a regular...

CVE-2026-48125 UAParser.js: Unbounded `Sec-CH-UA-Model` parsing can trigger ReDoS in `withClientHints()`

UAParser.js is a JavaScript library to detect browsers, operating systems, CPUs, and devices from user-agent data. From 2.0.1 until 2.0.10, a regular expression denial-of-service vulnerability exists when using the Client Hints API. By sending a crafted Sec-CH-UA-Model header to an application th...

CVE-2026-45305 Symfony: YAML Parser ReDoS via Catastrophic Backtracking in Parser::cleanup() Regex

Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Yaml\Parser::cleanup used regular expressions with overlapping quantifiers for YAML directive, comment, and document marker cleanup,...

Regular Expression Denial of Service (ReDoS)

Overview Affected versions of this package are vulnerable to Regular Expression Denial of Service ReDoS via the matches, matchesFull, and replaceMatches functions in FHIRPath expression evaluation. An attacker can exhaust system CPU resources by submitting specially crafted regular expressions th...

CVE-2026-55470 HAPI FHIR: DSTU2 FHIRPathEngine.matches() missing RegexTimeout protection allows ReDoS

HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, the fix for CVE-2026-45367 incompletely patched the DSTU2 module, leaving FHIRPathEngine.matches in org.hl7.fhir.dstu2/utils/FHIRPathEngine.java to call raw String.matchessw...

PYSEC-2026-1825 PyMdown Extensions has a ReDOS bug in its Figure Capture extension

Impact This issue describes a ReDOS bug found within the figure caption extension pymdownx.blocks.caption . In systems that take unchecked user content, this could cause long hangs when processing the data if a malicious payload was crafted. Patches This issue is patched in Release 10.16.1...

PYSEC-2026-1360 FastAPI Guard has a regex bypass

Summary The regular expression patched to mitigate the ReDoS vulnerability by limiting the length of string fails to catch inputs that exceed this limit. Details In version 3.0.1, you can find a commit like the one in the link below, which was made to prevent ReDoS...

PYSEC-2026-1979 Transformers vulnerable to ReDoS attack through its SETTING_RE variable

A Regular Expression Denial of Service ReDoS vulnerability was discovered in the huggingface/transformers repository, specifically in version 4.49.0. The vulnerability is due to inefficient regular expression complexity in the SETTINGRE variable within the transformers/commands/chat.py file. The...

PYSEC-2026-1403 ReDoS in giskard's transformation.py (GHSL-2024-324)

ReDoS in Giskard text perturbation detector A Remote Code Execution ReDoS vulnerability was discovered in Giskard component by the GitHub Security Lab team. When processing datasets with specific text patterns with Giskard detectors, this vulnerability could trigger exponential regex evaluation...