Jenkins 2.587 and earlier, LTS 2.580.1 and earlier improperly identifies file paths attempting path traversal in the file browser for workspaces and $JENKINS_HOME/userContent/, allowing attackers with Overall/Read permission to obtain the names, sizes, and la…
4.2Medium
CVE-2026-84657
Description
In Jenkins 2.579 and earlier, LTS 2.568.2 and earlier, the build CLI command does not check the Item/Cancel permission when using the -s flag to cancel a build triggered to wait for completion, allowing attackers with Item/Build permission to cancel builds started by other users.
Weakness (CWE):
CWE-862
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| Jenkins Project | Jenkins | all versions |
References and patches
- Jenkins Security Advisory 2026-09-02 vendor-advisoryVendor Advisory
CPE matches (NVD) (2)
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*≤ 2.568.2cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*≤ 2.579