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Medium · 4.9 CVE-2026-68924 EUVD-2026-61131GHSA-x768-8642-mmq9PYSEC-2026-3691

MobSF: Zip Bomb Denial of Service via Per-File Size Limit Bypass in ZIP/APK Extraction

Published Aug 18, 2026 · Updated Aug 18, 2026 · Assigned by GitHub_M

Description

MobSF is a mobile application security testing tool used. Prior to 4.5.1, the unzip function in mobsf/StaticAnalyzer/views/common/shared_func.py logs that an archive member exceeding ZIP_MAX_UNCOMPRESSED_FILE_SIZE is being skipped but does not continue to the next member, so an authenticated user can upload a crafted ZIP or APK whose oversized member is extracted to disk when the aggregate ZIP_MAX_UNCOMPRESSED_TOTAL_SIZE limit has not yet been reached, potentially exhausting disk space and preventing further scans. This issue is fixed in version 4.5.1.

Affected products

VendorProductAffectedFixed
MobSF Mobile-Security-Framework-MobSF < 4.5.1 —

Affected packages

EcosystemPackageAffectedFixedRecord
PyPI mobsf < 4.5.1 4.5.1 GHSA-x768-8642-mmq9

References