GHSA-2VCX-H8P2-9PG9 Grav CMS — Improper Handling of Highly Compressed Data in Installer::unZip()

Summary An authenticated admin.super user can crash Grav or fill the disk by uploading a specially crafted ZIP archive through the Direct Install tool. The method Installer::unZip calls ZipArchive::extractTo without any limit on uncompressed size, entry count, or directory depth, enabling Zip Bom...

EUVD-2026-71625

Emlog is an open source website building system. In versions 2.6.29 and prior, the emUnZip function extracts all ZIP entries via ZipArchive::extractTo without validating entry paths for ../ traversal sequences. Only the first entry's subdirectory structure is checked. An attacker can overwrite...

CVE-2026-53757 Emlog: Zip Slip Path Traversal in Plugin/Template ZIP Upload Enables RCE

Emlog is an open source website building system. In versions 2.6.29 and prior, the emUnZip function extracts all ZIP entries via ZipArchive::extractTo without validating entry paths for ../ traversal sequences. Only the first entry's subdirectory structure is checked. An attacker can overwrite...

PT-2026-86163

Emlog is an open source website building system. In versions 2.6.29 and prior, the emUnZip function extracts all ZIP entries via ZipArchive::extractTo without validating entry paths for ../ traversal sequences. Only the first entry's subdirectory structure is checked. An attacker can overwrite...

CVE-2026-53757: Improper Limitation of a Pathname to a Restricted Directory

Emlog is an open source website building system. In versions 2.6.29 and prior, the emUnZip function extracts all ZIP entries via ZipArchive::extractTo without validating entry paths for ../ traversal sequences. Only the first entry's subdirectory structure is checked. An attacker can overwrite...

EUVD-2026-62534

Grav: Decompression Bomb via ZipArchiver - Missing Extraction Limits...

CVE-2026-61639

Wallos , an open-source self-hostable personal subscription tracker, contains a Zip Slip path traversal in POST /endpoints/db/restore.php prior to version 4.9.6 . The endpoint calls ZipArchive::extractTo() without validating entry names for ../ sequences. An authenticated admin can upload a craft...

CVE-2026-61639: Improper Limitation of a Pathname to a Restricted Directory

Wallos is an open-source, self-hostable personal subscription tracker. Prior to version 4.9.6, POST /endpoints/db/restore.php calls ZipArchive::extractTo without validating entry names for ../ sequences. Admin uploads crafted zip with entry logos/../../endpoints/shell.php to write webshell to...

CVE-2026-57863 Crater Invoice 6.0.6 Path Traversal RCE via update/unzip endpoint

Crater Invoice through 6.0.6 contains a path traversal vulnerability in the self-update API that allows authenticated company owners to write arbitrary files outside the intended extraction directory by supplying crafted ZIP archives with ../ sequences to the unzip endpoint. Attackers can exploit...

CVE-2026-57863 Crater Invoice 6.0.6 Path Traversal RCE via update/unzip endpoint

Crater Invoice through 6.0.6 contains a path traversal vulnerability in the self-update API that allows authenticated company owners to write arbitrary files outside the intended extraction directory by supplying crafted ZIP archives with ../ sequences to the unzip endpoint. Attackers can exploit...

CVE-2026-57863: Improper Limitation of a Pathname to a Restricted Directory

Crater Invoice through 6.0.6 contains a path traversal vulnerability in the self-update API that allows authenticated company owners to write arbitrary files outside the intended extraction directory by supplying crafted ZIP archives with ../ sequences to the unzip endpoint. Attackers can exploit...

CVE-2026-61690

Grav is a file-based Web platform. Prior to 2.0.1, Grav ZipArchiver::extract in system/src/Grav/Common/Filesystem/ZipArchiver.php passes archives to ZipArchive::extractTo without enforcing the system.gpm.archive uncompressed-size, file-count, or nesting-depth limits. Code using...

CVE-2026-61690 Grav: Decompression Bomb via ZipArchiver - Missing Extraction Limits

Grav is a file-based Web platform. Prior to 2.0.1, Grav ZipArchiver::extract in system/src/Grav/Common/Filesystem/ZipArchiver.php passes archives to ZipArchive::extractTo without enforcing the system.gpm.archive uncompressed-size, file-count, or nesting-depth limits. Code using...

CVE-2026-61690

Grav's ZipArchiver::extract() calls ZipArchive::extractTo() without enforcing configured archive limits (uncompressed-size, file-count, nesting-depth). A low-privilege network attacker can submit a decompression bomb archive to exhaust disk space or inodes, causing denial of service. Fixed in Gra...

PT-2026-78483

Name of the Vulnerable Software and Affected Versions Grav versions prior to 2.0.1 Description The ZipArchiver::extract function in system/src/Grav/Common/Filesystem/ZipArchiver.php fails to enforce limits on uncompressed size, file count, or nesting depth when passing archives to...

EUVD-2026-14895

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

GHSA-P68C-RMFH-J48H ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

ConcreteCMS is vulnerable to Denial of Service During Bulk Downloads

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...

CVE-2026-30662

ConcreteCMS v9.4.7 contains a Denial of Service DoS vulnerability in the File Manager component. The 'download' method in 'concrete/controllers/backend/file.php' improperly manages memory when creating zip archives. It uses 'ZipArchive::addFromString' combined with 'filegetcontents', which loads...