MEDIUM

CVE-2026-70428

CVSS v3

4.3

MEDIUM

EPSS Score

0.4 %

exploit probability, as of 2026-10-17

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

jenkinsBitnamiall versions · fixed in 2.568.2

Vendor advisories

CVE-2026-70428 Red Hat Product Security38 products fixed · 1 known affected
jenkins: Jenkins: Arbitrary file write via path traversal
jenkins.src as a component of OpenShift Developer Tools and Services
RHSA-2026:60259 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.20 security update.
RHSA-2026:60256 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.22 security update.
RHSA-2026:60254 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.21 security update.
RHSA-2026:60252 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.19 security update.
RHSA-2026:60251 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Release of Red Hat OpenShift Developer Tools - Openshift Jenkins 4.16 security update.

6 more advisories

Full record on NVD

Description

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.

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Published: 2026-08-05
Last Modified: 2026-08-05

Frequently asked questions

What is CVE-2026-70428?

Is CVE-2026-70428 actively exploited?

Active exploitation of CVE-2026-70428 has not been confirmed. Its EPSS score was 0.4% on 2026-10-17, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-70428?

CVE-2026-70428 has a CVSS v3 base score of 4.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

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