CVE-2026-53593 FreeScout Vulnerable to Authenticated Remote Code Execution via incomplete upload extension denylist (.pht) — bypass of CVE-2025-48471

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.224, the denylist that neutralizes dangerous file uploads Helper::$restrictedextensions is incomplete: it does not cover the .pht extension. The authenticated upload endpoint POST /uploads/uplo...

CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

CVE-2026-13448 Langflow is affected by remote code execution, denial of service, path traversal, and exposed credentials due to multiple unauthenticated and insufficiently authorized API endpoints

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint /api/v1/buildpublictmp/flowid/flow . The vulnerability stems from an incomplete denylist in the validatepublicflownocodeexecution function that fails...

PT-2026-60871

Name of the Vulnerable Software and Affected Versions IBM Langflow OSS versions 1.0.0 through 1.10.1 Description An unauthenticated remote code execution issue exists in the public flow build endpoint '/api/v1/build public tmp/flow id/flow'. The flaw is caused by an incomplete denylist within the...

CVE-2026-59854

SiYuan (open-source PKM) prior to 3.7.1 allows an authenticated administrator or API-token user to copy home-directory credential files into the workspace via POST /api/file/globalCopyFiles. The root cause is util.IsSensitivePath’s denylist in kernel/util/path.go missing common home-dir dotfiles ...

CVE-2026-36045

picoclaw =v0.1.2 and earlier is vulnerable to OS command injection via the ExecTool component pkg/tools/shell.go. The guardCommand function attempts to restrict shell command execution using a denylist of 8 regular expressions, but the denylist is incomplete...

PT-2026-43703

Name of the Vulnerable Software and Affected Versions picoclaw versions prior to 0.1.3 Description The ExecTool component pkg/tools/shell.go allows OS command injection. This occurs because the guardCommand function uses an incomplete denylist of eight regular expressions to restrict shell comman...

CVE-2026-36045

picoclaw =v0.1.2 and earlier is vulnerable to OS command injection via the ExecTool component pkg/tools/shell.go. The guardCommand function attempts to restrict shell command execution using a denylist of 8 regular expressions, but the denylist is incomplete...

CVE-2026-44589

Nuxt-og-image (nuxt-og-image) contains an SSRF issue tracked as CVE-2026-44589. The isBlockedUrl validator in [email protected] is incomplete: IPv6 prefix handling is limited (only ::1, fc, fd, fe80) and there is no redirect re-validation, enabling bypass paths such as IPv6-mapped addresses and...

EUVD-2026-20872

LXD: VM lowlevel restriction bypass via raw.apparmor and raw.qemu.conf...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

CVE-2026-34177

Canonical LXD versions 4.12 through 6.7 contain an incomplete denylist in isVMLowLevelOptionForbidden lxd/project/limits/permissions.go, which omits raw.apparmor and raw.qemu.conf from the set of keys blocked under the restricted.virtual-machines.lowlevel=block project restriction. A remote...

Server-Side Request Forgery (SSRF)

Overview Affected versions of this package are vulnerable to Server-Side Request Forgery SSRF due to an incomplete denylist of IP address ranges. Specifically, the package fails to classify the reserved IP address space 224.0.0.0/4 Multicast as invalid. This oversight allows attackers to craft...