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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-68924
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-18 18:19:28 UTC
Updated2026-08-18 18:19:28 UTC
DescriptionMobSF 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.

Risk And Classification

Primary CVSS: v3.1 4.9 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-400 | CWE-400 CWE-400: Uncontrolled Resource Consumption

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
3.1CNADECLARED4.9MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA MobSF Mobile-Security-Framework-MobSF affected < 4.5.1 Not specified

References

ReferenceSourceLinkTags
github.com/MobSF/Mobile-Security-Framework-MobSF/commit/62563ca429a75b3e... [email protected] github.com
github.com/MobSF/Mobile-Security-Framework-MobSF/pull/2627 [email protected] github.com
github.com/MobSF/Mobile-Security-Framework-MobSF/security/advisories/GHS... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
github.com/MobSF/Mobile-Security-Framework-MobSF/releases/tag/v4.5.1 [email protected] github.com
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