CVE-2018-1000863
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,…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.76%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 8.2 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
- EPSS
- 6.76% probability · 94th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- jenkins/jenkins · redhat/openshift container platform
- Source
- cve@mitre.org
EPSS moved from 3.6% on 21 September 2026 to 6.8% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/106176Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0024Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-1072Vendor Advisory
- https://www.tenable.com/security/research/tra-2018-43Exploit, Third Party Advisory
- http://www.securityfocus.com/bid/106176Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHBA-2019:0024Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-1072Vendor Advisory
- https://www.tenable.com/security/research/tra-2018-43Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.