Gradle Shadow: Zip Slip path traversal in ShadowCopyAction — no independent entry-name sanitization

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-75598
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-06 18:18:18 UTC
Updated2026-11-06 18:18:18 UTC
DescriptionThe Gradle Shadow plugin creates fat or uber JARs and supports file transformation and package relocation. Prior to version 9.6.0, Shadow does not independently validate ZIP entry names before writing them to its output archive. A malicious dependency can cause traversal entry names to be preserved when the applicable archive-processing path does not reject them. Some affected Shadow implementations process dependency archives directly, so upgrading Gradle alone does not universally prevent this behavior. If the resulting archive is extracted without path traversal protection, attacker-controlled files can be written outside the intended destination. This issue is fixed in version 9.6.0.

Risk And Classification

Primary CVSS: v3.1 6.3 MEDIUM from [email protected]

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

Problem Types: CWE-22 | CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
3.1CNADECLARED6.3MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
None
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA GradleUp Shadow affected < 9.6.0 Not specified

References

ReferenceSourceLinkTags
github.com/GradleUp/shadow/commit/0c2744fcc050e34a084f5131d5e167b13c342bfd [email protected] github.com
github.com/GradleUp/shadow/security/advisories/GHSA-rr8v-fxxf-c986 [email protected] github.com
github.com/GradleUp/shadow/releases/tag/9.6.0 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
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