NPM: fastify vulnerable to header validation bypass via incomplete schema case normalization

NPM: fastify vulnerable to header validation bypass via incomplete schema case normalization vulnerability discovered by ? in WordPress Npm fastify versions 5.12.2...

fastify vulnerable to header validation bypass via incomplete schema case normalization

Impact Fastify lowercases header-schema property names before compiling the schema, because Node.js stores request header names in lowercase. That normalization was incomplete: it lowercased only top-level properties keys and the root required array, and did not lowercase the JSON Schema Draft 7...

cve-2021-41773-exploration

Aperçu CVE-2021-41773 est une vulnérabilité de traversée de chemin découverte dans Apache HTTP Server 2.4.49 en octobre 2021. La cause première était un échec à normaliser correctement les séquences de points terminées dans l'URL avant de vérifier si le chemin demandé restait dans la racine web...

NPM: Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redirect Location

NPM: Axios: ReDoS ON² in shouldBypassProxy host normalization, reachable via untrusted redirect Location vulnerability discovered by ? in WordPress Npm axios versions = 1.15.0, 1.20.0...

CVE-2021-41773

Apache HTTP Server 2.4.49 - Path Traversal & RCE CVE-2021-41773 A sophisticated Python-based proof-of-concept PoC exploit for CVE-2021-41773. This tool automates the process of testing Apache 2.4.49 servers for path traversal and remote code execution RCE vulnerabilities. ⚠️ Legal Disclaimer This...

puma_header_normalization-CVE-2024-45614

Puma Header normalization CVE-2024-45614 Verification advisory: https://github.com/puma/puma/security/advisories/GHSA-9hf4-67fc-4vf4 fix commit: https://github.com/puma/puma/commit/cac3fd18cf29ed43719ff5d52d9cfec215f0a043 Results Execution results of request.rb duplicate Target| Result ---|---...

AlmaLinux 9.2 [TuxCare] Security Update: pki-servlet-4.0-api / pki-servlet-engine (ALMALINUX9.2:CLSA-2026:1768989206)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1768989206 advisory. - Relative Path Traversal vulnerability in Apache Tomcat. The fix for bug 60013 introduced a regression where the rewritten URL was normalize...

Linux Distros Unpatched Vulnerability : CVE-2026-102601

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Flysystem is an open source file storage library for PHP. Prior to 3.35.3, the default WhitespacePathNormalizer in src/WhitespacePathNormalizer.php used by...

NPM: fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets

NPM: fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets vulnerability discovered by ? in WordPress Npm fast-uri versions 2.4.7...

fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets

Impact fast-uri folds the host to lowercase before it percent-decodes the host, so a percent-encoded uppercase unreserved octet such as %41 decodes to a literal A that is never folded. For a scheme-relative reference //host there is no scheme, so the host canonicalization that repairs this on a...

GHSA-HRR3-GC8F-F4QJ fast-uri vulnerable to inconsistent host case normalization via percent-encoded octets

Impact fast-uri folds the host to lowercase before it percent-decodes the host, so a percent-encoded uppercase unreserved octet such as %41 decodes to a literal A that is never folded. For a scheme-relative reference //host there is no scheme, so the host canonicalization that repairs this on a...

CVE-2025-64458-Demo

CVE-2025-64458 — Django Redirect DoS on Windows Description A denial-of-service DoS issue in Django’s redirect responses allows an attacker to trigger excessive CPU work during URL normalization when constructing redirect responses. On Windows, Python’s Unicode NFKC normalization is particularly...

Flysystem: WhitespacePathNormalizer's control-character (CorruptedPathDetected) check is bypassed by malformed UTF-8 in the path, affecting every adapter

Related public issue context, not a duplicate Closed issue 1429 "Handle non-UTF-8 paths", 2024-03-24 raised exactly this general concern and even suggested detection via pregmatch'//u', $path !== 1 -- note the reporter's suggested check explicitly compares !== 1, which would correctly treat PCRE'...

CVE-2026-102601

The Flysystem PHP file storage library is vulnerable in versions prior to 3.35.3 due to a flaw in the WhitespacePathNormalizer component. The root cause is that preg_match with the u modifier treats false (returned during malformed UTF-8 input) as falsy, allowing paths containing control characte...

CVE-2026-102601

Flysystem is an open source file storage library for PHP. Prior to 3.35.3, the default WhitespacePathNormalizer in src/WhitespacePathNormalizer.php used by Filesystem across adapters calls pregmatch with the u modifier and treats both false and 0 as falsy. A path containing malformed UTF-8 causes...

Security Bulletin: Multiple Vulnerabilities affect IBM Tivoli Netcool Impact

Summary Multiple vulnerabilities were addressed in IBM Tivoli Netcool Impact version 7.1.0.39 Vulnerability Details CVEID:CVE-2026-42402 DESCRIPTION: Apache Neethi is vulnerable to a Denial of Service attack through algorithmic complexity in policy normalization. Specially crafted WS-Policy...

BIT-ENVOY-2026-73551 Envoy: Path normalization does not handle dot and dotdot segments with parameters

Envoy is an open source edge and service proxy designed for cloud-native applications. Prior to 1.36.10, 1.37.6, 1.38.4, and 1.39.1, Envoy's URL normalization does not recognize dot and dotdot path segments when they carry semicolon parameters. A request such as /user/..;foo=bar/admin is therefor...

CVE-2026-33186

CVE-2026-33186 gRPC-Go RBAC Authorization Policy Bypass via Missing :path Slash Auth Bypass Description The authz package in google.golang.org/grpc implements SDK-level RBAC authorization using deny and allow rules matched against the :path pseudo-header. The HTTP/2 server transport stores the ra...

CVE-2021-41773h

CVE-2021-41773 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 CVE-2021-41773 Info A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the expected document...

cve-2021-41773

Apache httpd RCE A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-like directives. If files outside these directories are not protected by default...