PatchTheCVECVE-2026-70428: Jenkins 2.575 and earlier, LTS 2.568.1 and earlier improperly identifies file paths attempting path traversal
CVE-2026-70428 is a medium-severity flaw (CVSS 4.3) affecting jenkins. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 63%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2026-08-05 |
| Last modified | 2026-09-08 |
Last updated 2026-09-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-70428?
jenkins: upgrade to 2.568.2, 2.576. Exact commands for each OS are on this page.
Is CVE-2026-70428 being exploited?
CVE-2026-70428 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-70428 affect?
CVE-2026-70428 affects jenkins. Severity is medium (CVSS 4.3). 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
How urgent is CVE-2026-70428?
Priority 24/100. No elevated risk signals yet.
Software pages
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