CVE-2026-53486: Archive Linkname Path Traversal

Archive extraction vulnerable to path traversal (Zip Slip/symlink escape). The `linkname` property from the archive header is passed directly to file-system link creation APIs without verifying that the target path resolves within the intended extraction directory. An attacker can craft an archive with malicious links to overwrite or read sensitive files. En

Provally CuratedPublic repositoryHighMedium confidenceVerifiedApache-2.0JS
greprules fetch cve-2026-53486-archive-linkname-path-traversal --engine opengrep

Description

Archive extraction vulnerable to path traversal (Zip Slip/symlink escape). The `linkname` property from the archive header is passed directly to file-system link creation APIs without verifying that the target path resolves within the intended extraction directory. An attacker can craft an archive with malicious links to overwrite or read sensitive files. En