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...