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CVE-2026-70428

medium CVSS 4.3 EPSS 0.4%

Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal in file parameter names, allowing attackers with Item/Configure and Item/Build permission to write files to arbitrary locations on the controller file system.

Versions it affects

Software versions checked with the free lookup that CVE-2026-70428 applies to, and the release that fixes it where the sources name one.

Jenkins 1.509 fixed in 2.568.2

At a glance

Severity
Medium
CVSS base score
4.3 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
EPSS
0.4% probability of exploitation in the next 30 days, higher than 35% of scored vulnerabilities
Weakness
CWE-22
Published
2026-08-05
NVD CVE.org

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