HIGH

CVE-2018-1000863

CVSS v3

8.2

HIGH

EPSS Score

6.8 %

exploit probability, as of 2026-10-19

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

org.jenkins-ci.main:jenkins-coreMavenfrom 2.140 · fixed in 2.154

Vendor advisories

CVE-2018-1000863 Red Hat Product Security2 products fixed · 13 known affected
jenkins: forced migration of user records (SECURITY-1072)
jenkins as a component of Red Hat OpenShift Container Platform 3.10 · jenkins.src as a component of Red Hat OpenShift Container Platform 3.10 · jenkins as a component of Red Hat OpenShift Container Platform 3.2
RHBA-2019:0024 Red Hat Product Security2 products fixed
Red Hat Bug Fix Advisory: OpenShift Container Platform 3.11 bug fix and enhancement update

Full record on NVD

Description

A data modification vulnerability exists in Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in User.java, IdStrategy.java that allows attackers to submit crafted user names that can cause an improper migration of user record storage formats, potentially preventing the victim from logging into Jenkins.

Technical details

Published: 2018-12-10

Frequently asked questions

What is CVE-2018-1000863?

Is CVE-2018-1000863 actively exploited?

Active exploitation of CVE-2018-1000863 has not been confirmed. Its EPSS score was 6.8% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1000863?

CVE-2018-1000863 has a CVSS v3 base score of 8.2 (HIGH severity).

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