CVE-2026-31873 Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe safe.ts uses String.includes, which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes'data...

CVE-2026-31873 Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe safe.ts uses String.includes, which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes'data...

CVE-2026-31873

Unhead suffers a bypass of URI scheme sanitization in makeTagSafe prior to version 2.1.11: the code checks href values with String.includes(), which is case-sensitive. Since browsers treat URI schemes case-insensitively, inputs like DATA:text/css,... can evade the check and allow arbitrary CSS vi...

CVE-2026-31873 Unhead has a Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

Unhead is a document head and template manager. Prior to 2.1.11, The link.href check in makeTagSafe safe.ts uses String.includes, which is case-sensitive. Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as data:text/css,... to the browser, but 'DATA:...'.includes'data...

GHSA-5339-HVWR-7582 Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

The link.href check in makeTagSafe safe.ts, line 68-71 uses String.includes, which is case-sensitive: typescript if key === 'href' if val.includes'javascript:' || val.includes'data:' return nextkey = val Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as...

EUVD-2026-11640

Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity...

Unhead Vulnerable to Bypass of URI Scheme Sanitization in makeTagSafe via Case-Sensitivity

The link.href check in makeTagSafe safe.ts, line 68-71 uses String.includes, which is case-sensitive: typescript if key === 'href' if val.includes'javascript:' || val.includes'data:' return nextkey = val Browsers treat URI schemes case-insensitively. DATA:text/css,... is the same as...

Improper Handling of Case Sensitivity

Overview org.webjars.npm:simple-git is an A light weight interface for running git commands in any node.js application. Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the preventProtocolOverride function, which fails to properly validate...

simple-git has blockUnsafeOperationsPlugin bypass via case-insensitive protocol.allow config key enables RCE

Summary The blockUnsafeOperationsPlugin in simple-git fails to block git protocol override arguments when the config key is passed in uppercase or mixed case. An attacker who controls arguments passed to git operations can enable the ext:: protocol by passing -c PROTOCOL.ALLOW=always, which...

GO-2026-4569 MCP Go SDK Vulnerable to Improper Handling of Case Sensitivity in github.com/modelcontextprotocol/go-sdk

MCP Go SDK Vulnerable to Improper Handling of Case Sensitivity in github.com/modelcontextprotocol/go-sdk...

SUSE CVE-2026-29054

Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to preve...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the processing of HTTP/1.1 requests when handling the Connection header with X-Forwarded headers. An attacker can cause the removal of forwarded identity headers by sending requests with lowercas...

Improper Handling of Case Sensitivity

Overview Affected versions of this package are vulnerable to Improper Handling of Case Sensitivity in the processing of HTTP/1.1 requests when handling the Connection header with X-Forwarded headers. An attacker can cause the removal of forwarded identity headers by sending requests with lowercas...

CVE-2026-29054

Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to preve...

CVE-2026-29054

CVE-2026-29054 (Traefik) affects Traefik HTTP reverse proxy/load balancer from versions 2.11.9–2.11.37 and 3.1.3–3.6.8. The issue arises when Traefik processes HTTP/1.1 requests: the protection that prevents removal of Traefik-managed X-Forwarded headers via the Connection header compares tokens ...

CVE-2026-29054 Traefik: lowercase `Connection` tokens can delete traefik-managed forwarded identity headers (for example, `X-Real-Ip`)

Traefik is an HTTP reverse proxy and load balancer. From version 2.11.9 to 2.11.37 and from version 3.1.3 to 3.6.8, there is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to preve...

GHSA-92MV-8F8W-WQ52 traefik CVE-2024-45410 fix bypass: lowercase `Connection` tokens can delete traefik-managed forwarded identity headers (for example, `X-Real-Ip`)

Impact There is a potential vulnerability in Traefik managing the Connection header with X-Forwarded headers. When Traefik processes HTTP/1.1 requests, the protection put in place to prevent the removal of Traefik-managed X-Forwarded headers such as X-Real-Ip, X-Forwarded-Host, X-Forwarded-Port,...

SUSE CVE-2026-25889

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. Prior to 2.57.1, a case-sensitivity flaw in the password validation logic allows any authenticated user to change their password or an admin to change...

Security Bulletin: Multiple vulnerabilites in IBM Rational Build Forge.

Summary IBM Rational Build Forge 8.0.0.29 addresses multiple vulnerabilites Vulnerability Details CVEID:CVE-2025-58754 DESCRIPTION: Axios is a promise based HTTP client for the browser and Node.js. When Axios starting in version 0.28.0 and prior to versions 0.30.2 and 1.12.0 runs on Node.js and i...

PT-2026-36155

Name of the Vulnerable Software and Affected Versions gnutls affected versions not specified Description A flaw exists where case-sensitive comparisons are performed on nameConstraints labels, specifically for dNSName DNS or rfc822Name email constraints within excludedSubtrees or permittedSubtree...