CVE-2026-9658

Plack::Middleware::Security::Common versions before 0.13.1 for Perl did not block header injections in request paths. The header injection rule was ineffective at blocking header injections in the request paths unless they were double-encoded, for example, GET /path\r\nHTTP/1.1\r\nHost:...

CVE-2026-9658 Plack::Middleware::Security::Common versions before 0.13.1 for Perl did not block header injections in request paths

Plack::Middleware::Security::Common versions before 0.13.1 for Perl did not block header injections in request paths. The header injection rule was ineffective at blocking header injections in the request paths unless they were double-encoded, for example, GET /path\r\nHTTP/1.1\r\nHost:...

Plack::Middleware::Security::Common 安全漏洞

Plack::Middleware::Security::Common is a Perl web application security header middleware developed by RRWO’s individual developers. Versions of Plack::Middleware::Security::Common prior to 0.13.1 contained security vulnerabilities. These vulnerabilities stemmed from ineffective header injection...

CVE-2026-41894

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, the fix for CVE-2026-30869 only added a denylist check IsSensitivePath but did not address the root cause — a redundant url.PathUnescape call in serveExport. An authenticated attacker can use double URL encoding...

CVE-2026-41894

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, the fix for CVE-2026-30869 only added a denylist check IsSensitivePath but did not address the root cause — a redundant url.PathUnescape call in serveExport. An authenticated attacker can use double URL encoding...

CVE-2026-41894

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, the fix for CVE-2026-30869 only added a denylist check IsSensitivePath but did not address the root cause — a redundant url.PathUnescape call in serveExport. An authenticated attacker can use double URL encoding...

CVE-2026-41894

SiYuan up to version 3.6.4 is vulnerable due to a root cause in serveExport(): a redundant url.PathUnescape() combined with a prior denylist can be bypassed by double URL encoding (%252e%252e), enabling directory traversal and read access to arbitrary workspace files, including the Siyuan databas...

CVE-2026-41894 SiYuan: Incomplete Fix Bypass for CVE-2026-30869: Path Traversal via Double URL Encoding in `/export/` Endpoint

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, the fix for CVE-2026-30869 only added a denylist check IsSensitivePath but did not address the root cause — a redundant url.PathUnescape call in serveExport. An authenticated attacker can use double URL encoding...

PT-2026-35066

SiYuan is an open-source personal knowledge management system. Prior to 3.6.5, the fix for CVE-2026-30869 only added a denylist check IsSensitivePath but did not address the root cause — a redundant url.PathUnescape call in serveExport. An authenticated attacker can use double URL encoding...

SiYuan 路径遍历漏洞

SiYuan is an open-source personal knowledge management system developed by SiYuan. Versions of SiYuan prior to 3.6.5 contained a path traversal vulnerability. This vulnerability arose from the fix of CVE-2026-30869, where only blacklist checks were added, and the redundant calls to the...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the serveExport process. An attacker can access and exfiltrate sensitive files, including databases and logs, by sending specially crafted requests with double URL encoding to bypass path validation. Details A...

Directory Traversal

Overview Affected versions of this package are vulnerable to Directory Traversal via the serveExport process. An attacker can access and exfiltrate sensitive files, including databases and logs, by sending specially crafted requests with double URL encoding to bypass path validation. Details A...

CVE-2026-21726

A flaw was found in Loki. A remote attacker can exploit a path traversal vulnerability by using double encoding on the namespace parameter after a single URL decode. This allows the attacker to read arbitrary files at the Ruler API endpoint, leading to information disclosure...

Linux Distros Unpatched Vulnerability : CVE-2026-21726

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files ...

Grafana Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

EUVD-2026-23100

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726 Loki Path Traversal - CVE-2021-36156 Bypass

The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/namespace Thanks to Prasanth Sundararajan for reporting this vulnerability...

CVE-2026-21726

CVE-2026-21726 is a Grafana Loki path traversal vulnerability related to namespace parameter handling. The literature links it to the historic CVE-2021-36156 bypass in Loki’s path traversal, potentially allowing an attacker to read files via the Ruler API endpoint /loki/api/v1/rules/{namespace} a...