Improper Access Control

Caddy is vulnerable to Improper Access Control. The vulnerability is due to incorrect case-insensitive matching in the HTTP path request matcher when percent-encoded sequences are present, allowing attackers to alter request path casing and bypass path-based routing or attached access controls...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the RWStlReader::ReadAscii process when buffers returned by StandardReadLineBuffer::ReadLine are not properly length-validated before being used in strncasecmp or accessed directly. An attacker can cause denial of...

GHSA-5Q7P-7JGV-WW56 Gotenberg has case-insensitive URL scheme that bypasses webhook and downloadFrom deny-list SSRF protection

Vulnerability Details CWE: CWE-918 - Server-Side Request Forgery SSRF The default private-IP deny-lists for --webhook-deny-list and --api-download-from-deny-list use a case-sensitive regex ^https?://. Any uppercase URL scheme variant HTTP://, HTTPS://, Http:// bypasses the pattern. Go's...

Gotenberg has case-insensitive URL scheme that bypasses webhook and downloadFrom deny-list SSRF protection

Vulnerability Details CWE: CWE-918 - Server-Side Request Forgery SSRF The default private-IP deny-lists for --webhook-deny-list and --api-download-from-deny-list use a case-sensitive regex ^https?://. Any uppercase URL scheme variant HTTP://, HTTPS://, Http:// bypasses the pattern. Go's...

Improper Access Control

Caddy is vulnerable to Improper Access Control. The vulnerability is due to incorrect case-insensitive matching in the HTTP host request matcher when large host lists are configured, allowing attackers to modify the casing of the Host header and bypass host-based routing or associated access...

EUVD-2026-25791

The fix for CVE-2025-27636 added setLowerCasetrue to HttpHeaderFilterStrategy so that case-variant header names such as 'CAmelExecCommandExecutable' are filtered out alongside 'CamelExecCommandExecutable'. The same setLowerCasetrue call was not applied to five non-HTTP HeaderFilterStrategy...

PT-2026-35370

Name of the Vulnerable Software and Affected Versions Apache Camel versions 3.0.0 through 4.14.5 Apache Camel versions 4.15.0 through 4.18.1 Apache Camel versions 4.19.0 through 4.19.x Description Certain non-HTTP HeaderFilterStrategy implementations, specifically JmsHeaderFilterStrategy and...

GHSA-72H4-MXFC-JX37 Heimdall: Case-sensitive host matching may lead to policy bypass

Summary Heimdall performs host matching in a case-sensitive manner, while HTTP hostnames are case-insensitive. This discrepancy can result in heimdall failing to match a rule for a request host that differs only in letter casing, potentially causing the request to be classified differently than...

PT-2026-37187

Name of the Vulnerable Software and Affected Versions Heimdall versions prior to 0.17.14 Description Heimdall performs host matching in a case-sensitive manner, which conflicts with the case-insensitive nature of HTTP hostnames. This discrepancy allows a request host that differs only in letter...

CVE-2026-41067

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

CVE-2026-41067 Astro: XSS via incomplete `</script>` sanitization in `define:vars` allows case-insensitive and whitespace-based bypass

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

CVE-2026-41067 Astro: XSS via incomplete `</script>` sanitization in `define:vars` allows case-insensitive and whitespace-based bypass

Astro is a web framework. Prior to 6.1.6, the defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace o...

PT-2026-34608

Name of the Vulnerable Software and Affected Versions Marko affected versions not specified Description When dynamic text is interpolated into or tags, the runtime fails to prevent tag breakout if the closing tag uses non-lowercase casing. This occurs because the system uses case-sensitive regula...

Astro: XSS in define:vars via incomplete </script> tag sanitization

Summary The defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace or / before the closing , allowing ...

PT-2026-34233

Summary The defineScriptVars function in Astro's server-side rendering pipeline uses a case-sensitive regex //g to sanitize values injected into inline tags via the define:vars directive. HTML parsers close elements case-insensitively and also accept whitespace or / before the closing , allowing ...

[slackware-security] cups

New cups packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/cups-2.4.17-i586-1slack15.0.txz: Upgraded. This update fixes security issues: The scheduler treated local user and group names as...

OESA-2026-1933 cups security update

CUPS is the standards-based, open source printing system developed by Apple Inc. for UNIX®-like operating systems. CUPS uses the Internet Printing Protocol IPP to support printing to local and network printers. Security Fixes: OpenPrinting CUPS is an open source printing system for Linux and othe...

GHSA-HG7G-56H5-5PQR CAPTCHA Bypass in WWBN/AVideo via Attacker-Controlled Length Parameter and Missing Token Invalidation on Failure

Summary objects/getCaptcha.php accepts the CAPTCHA length ql directly from the query string with no clamping or sanitization, letting any unauthenticated client force the server to generate a 1-character CAPTCHA word. Combined with a case-insensitive strcasecmp comparison over a 33-character...

SUSE CVE-2026-27447

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

GHSA-QMWH-9M9C-H36M Gotenberg has incomplete fix for ExifTool arbitrary file write: case-insensitive bypass and missing HardLink/SymLink tags

Summary The fix for ExifTool arbitrary file write commit 043b158, released in v8.29.0 uses a case-sensitive blocklist to filter dangerous pseudo-tags. ExifTool processes tag names case-insensitively, so alternate casings bypass the filter. The blocklist also omits the HardLink and SymLink...