CVE-2018-1000603

CSRF vulnerability and missing permission checks in Openstack Cloud Plugin allowed capturing credentials

8.8 HighFix available

A exposure of sensitive information vulnerability exists in Jenkins Openstack Cloud Plugin 2.35 and earlier in BootSource.java, InstancesToRun.java, JCloudsCleanupThread.java, JCloudsCloud.java, JCloudsComputer.java, JCloudsPreCreationThread.java, JCloudsRetentionStrategy.java, JCloudsSlave.java, JCloudsSlaveTemplate.java, LauncherFactory.java, OpenstackCredentials.java, OpenStackMachineStep.java, SlaveOptions.java, SlaveOptionsDescriptor.java that allows attackers with Overall/Read access to Jenkins to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins, and to cause Jenkins to submit HTTP requests to attacker-specified URLs.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.04%Up 0.6 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2018-1000603
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.0 MediumAV:N/AC:L/Au:S/C:P/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

CVE List No score

Record: CVE-2018-1000603
Updated: 2026-11-02

EUVDEUVD-2022-3999 No score

Record: EUVD-2022-3999
Updated: 2026-11-03

GitHub AdvisoriesGHSA-grf8-94q5-4phx 8.8

CSRF vulnerability and missing permission checks in Openstack Cloud Plugin allowed capturing credentials

Record: GHSA-grf8-94q5-4phx
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-200
Updated: 2026-11-02

OSV 8.8

Record: CVE-2018-1000603
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVGHSA-grf8-94q5-4phx 8.8

CSRF vulnerability and missing permission checks in Openstack Cloud Plugin allowed capturing credentials

Record: GHSA-grf8-94q5-4phx
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-200
Updated: 2026-11-02

Affected products

jenkins openstack cloud

Affected packages

Affected packages
Package	Affected	Fixed
`org.jenkins-ci.plugins:openstack-cloud` Maven	through 2.35	2.37
`org.jenkins-ci.plugins:openstack-cloud` Maven	before 2.37, plus listed versions 1.51.61.71.81.9-beta Show 37 moreShow less 2.02.0-beta2.0-beta22.12.1-beta12.112.122.132.142.152.162.172.182.22.202.212.222.232.242.252.272.292.32.302.312.31.12.322.332.342.352.362.42.52.62.72.82.9	2.37

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-1000603 is a high vulnerability (CVSS 8.8) in Jenkins Openstack Cloud, published June 26, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in org.jenkins-ci.plugins:openstack-cloud 2.37.