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Fencer Intel
medium 6.3

CVE-2026-75598 json

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

published 3d ago modified 1h ago also EUVD-2026-118393 , GHSA-rr8v-fxxf-c986

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.1%
EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits
0
none known

Summary

The 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.

Patch / fix

  • maven com.gradleup.shadow:com.gradleup.shadow.gradle.plugin 9.6.0

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
9h ago

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/GradleUp/shadow/security/advisories/GHSA-rr8v-fxxf-c986 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
GitHub 3.1 8.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven com.gradleup.shadow:com.gradleup.shadow.gradle.plugin
<9.6.0
9.6.0

Affected products

  • GradleUp shadow

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.