PT-2026-89699

Summary There is a medium severity vulnerability in Traefik's handling of request headers whose name aliases another header name. Go canonicalizes header names on dashes only, so X-Auth-User, X Auth User and X.Auth.User are three distinct headers to Traefik, while backends that derive variable...

PT-2026-89696

Summary When backend/local is used with --links/-l or the links=true config option, each symlink is exposed as an rclone object whose content is the target path string, suffixed .rclonelink. Object.Open decodes an incoming fs.RangeOption via Decodeo.Size, then for a translated-symlink object pass...

PT-2026-89523

Name of the Vulnerable Software and Affected Versions Netty versions 4.1.133.Final through 4.1.137.Final Netty versions 4.2.13.Final through 4.2.17.Final Description Improper validation of the final transfer coding in the Transfer-Encoding header allows attackers to perform request smuggling usin...

Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS : MiniUPnPd vulnerability (USN-8731-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-8731-1 advisory. It was discovered that MiniUPnPd contained an integer underflow vulnerability in SOAPAction header parsing. A remo...

CVE-2026-88011: Authentication Bypass by Spoofing

Traefik is an open source HTTP reverse proxy and load balancer. Prior to 2.11.56, and from 3.0.0 until 3.7.12, a client-supplied dot-form header such as X.Authenticated.User survives ForwardAuth replacement and underscoreHeadersStrategy because Go treats it as distinct from X-Authenticated-User...

PT-2026-89472

Name of the Vulnerable Software and Affected Versions Traefik versions 1.x Traefik versions prior to 2.11.56 Traefik versions 3.0.0 through 3.7.11 Description Traefik fails to properly handle request headers that act as aliases for other header names. While Go treats headers like...

PT-2026-89366

cookies is a Node.js library for reading and writing HTTP cookies, used by Koa via ctx.cookies. In versions before 0.9.2 the library validates the cookie name and value against character sets that reject the semicolon separator, but the domain and path options are checked only against a permissiv...

Linux Distros Unpatched Vulnerability : CVE-2026-89046

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - zstd-jni versions 1.5.5-6 through 1.5.7-13 contain an out-of-bounds read vulnerability in Zstd.getFrameContentSize that fails to validate negative srcPosition...

PT-2026-89390

Name of the Vulnerable Software and Affected Versions Traefik versions 1.x Traefik versions 2.x through 2.11.55 Traefik versions 3.0.0 through 3.7.11 Description Traefik handles request header canonicalization only on dashes, meaning it treats headers like X-Auth-User, X Auth User, and X.Auth.Use...

PT-2026-89683

Vulnerability Details File: backend/http/http.go Lines: 285 client construction — no CheckRedirect, 505-510 addHeaders, writes configured secret headers onto every request, 533-534 / 700-701 / 782-785 f.httpClient.Doreq used by List/stat/download Root Cause The http backend lets a user attach...

PT-2026-89474

Name of the Vulnerable Software and Affected Versions rclone versions 1.49.0 through 1.75.0 Description The HTTP backend in rclone fails to implement a specific http.Client.CheckRedirect policy when using the fshttp.NewClient client in backend/http/http.go. This causes the application to follow t...

CVE-2026-89044: Inconsistent Interpretation of HTTP Requests

Netty versions 4.1.133.Final through 4.1.137.Final and 4.2.13.Final through 4.2.17.Final fail to properly validate the final transfer coding in the Transfer-Encoding header, allowing attackers to smuggle requests by using malformed encoding declarations. Attackers can split Transfer-Encoding...

PT-2026-89452

Name of the Vulnerable Software and Affected Versions Traefik versions 3.2.0 through 3.7.12 Description Traefik entrypoint defenses aliasHeadersStrategy, underscoreHeadersStrategy, and forwardedHeaders inspect req.Header but fail to inspect req.Trailer. This allows an unauthenticated client to...

webhookd: Unrestricted HTTP Header to Shell Variable Injection

Description Before 1.22, if the Basic Auth htpasswd middleware was not configured, all incoming HTTP headers were blindly forwarded to the webhook script execution environment as shell variables. While the Basic Auth middleware correctly strips the authentication header X-WebAuthn-User from the...

GHSA-V25G-MVWR-F5FP webhookd: Unrestricted HTTP Header to Shell Variable Injection

Description Before 1.22, if the Basic Auth htpasswd middleware was not configured, all incoming HTTP headers were blindly forwarded to the webhook script execution environment as shell variables. While the Basic Auth middleware correctly strips the authentication header X-WebAuthn-User from the...

Security Bulletin: IBM Informix HQ affected by Vulnerabilities (CVE-2026-6790, CVE-2025-11143, and CVE-2026-2332) in third-party library Jetty.

Summary IBM InformixHQ is affected by several vulnerabilities in Jetty. IBM InformixHQ has been updated to use the latest Jetty release. Vulnerability Details CVEID:CVE-2026-6790 DESCRIPTION: In Eclipse Jetty, for HTTP/1, HTTP/2 and HTTP/3 requests, there is no strict check that the request...

cowlib: cowlib: Link header smuggling allows out-of-band connections to attacker-controlled origins

A flaw was found in ninenines cowlib. This vulnerability, due to improper encoding or escaping of output, allows an attacker to perform Link header directive smuggling. By manipulating the target URI, 'rel' value, or attribute keys in applications that process Link headers through cowlib, a remot...

cve-2026-41940-PoC

CVE-2026-41940 ⚠ This tool is created solely for educational or bug bounty purpose only. Unauthorized use outside of controlled environments is strictly prohibited. Description A tool for exploiting CVE-2026-41940, a critical authentication bypass in cPanel & WHM CVSS 10.0, allowing unauthenticat...

golang: net/http: net/http: sensitive headers incorrectly sent after cross-domain redirect

A flaw was found in the net/http package of the Golang standard library. The HTTP client drops sensitive headers after following a cross-domain redirect. For example, a request to a.com/ containing an Authorization header redirected to b.com/ will not send that header to b.com. However, the...

CVE-2026-48206

A flaw was found in the Apache Camel JIRA component. Due to improper input validation, non-Camel-prefixed Exchange header constants can bypass the HTTP header filter. This allows a remote attacker, potentially unauthenticated, to supply specific headers and override intended values. Consequently,...