Wiz
Vulnerability DatabaseCVE-2026-33001

CVE-2026-33001: 
Java vulnerability analysis and mitigation

Jenkins 2.554 and earlier, LTS 2.541.2 and earlier does not safely handle symbolic links during the extraction of .tar and .tar.gz archives, allowing crafted archives to write files to arbitrary locations on the filesystem, restricted only by file system access permissions of the user running Jenkins. This can be exploited to deploy malicious scripts or plugins on the controller by attackers with Item/Configure permission, or able to control agent processes.

Source: NVD

Related Java vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2026-4636HIGH8.1
  • JavaJava
  • org.keycloak:keycloak-services
NoYesApr 02, 2026
GHSA-2m67-wjpj-xhg9HIGH7.5
  • JavaJava
  • tools.jackson.core:jackson-core
NoNoApr 04, 2026
CVE-2026-4634HIGH7.5
  • JavaJava
  • keycloak-fips
NoYesApr 02, 2026
CVE-2026-4282HIGH7.4
  • JavaJava
  • keycloak-fips-26.5
NoYesApr 02, 2026
CVE-2026-4325MEDIUM5.3
  • JavaJava
  • keycloak-fips
NoYesApr 02, 2026

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