CVE-2026-43889: Unbounded Zip Extraction

Extracting untrusted ZIP archives fully to the local filesystem without size limits exposes the application to Zip Bomb (disk exhaustion) DoS attacks. Use a streaming approach to iterate over entries and enforce strict bounds on uncompressed file sizes.

Provally CuratedPublic repositoryMediumMedium confidenceVerifiedApache-2.0TS
greprules fetch cve-2026-43889-unbounded-zip-extraction --engine opengrep

Description

Extracting untrusted ZIP archives fully to the local filesystem without size limits exposes the application to Zip Bomb (disk exhaustion) DoS attacks. Use a streaming approach to iterate over entries and enforce strict bounds on uncompressed file sizes.