CVE-2026-14966 Symlink guard bypass in unarchive module allows planting symlinks during extraction

BBOT's unarchive module rejects archives containing symlink entries before extraction, but for zip and 7z archives it failed to detect symlinks whose listing carries a DOS-attribute prefix before the unix mode, as produced by legacy versions of p7zip. Such an archive, downloaded and extracted...

EUVD-2026-42295

BBOT's unarchive module rejects archives containing symlink entries before extraction, but for zip and 7z archives it failed to detect symlinks whose listing carries a DOS-attribute prefix before the unix mode, as produced by legacy versions of p7zip. Such an archive, downloaded and extracted...

GHSA-CJM8-JXPW-G43M Mattermost doesn't validate 7zip archive structure before processing

Mattermost versions 11.5.x = 11.5.1, 10.11.x = 10.11.13, 11.4.x = 11.4.3 fail to validate 7zip archive structure before processing which allows an authenticated attacker to cause server memory exhaustion and denial of service via uploading a specially crafted 7zip file with excessive folder...

CVE-2026-32808 pyLoad: Arbitrary File Deletion via Path Traversal during Encrypted 7z Password Verification

pyLoad is a free and open-source download manager written in Python. Versions before 0.5.0b3.dev97 are vulnerable to path traversal during password verification of certain encrypted 7z archives encrypted files with non-encrypted headers, causing arbitrary file deletion outside of the extraction...