CVE-2018-1000188
Jenkins CAS Plugin Server-Side Request Forgery vulnerability
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.
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
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.
- Record
CVE-2018-1000188- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.5 Medium
AV:N/AC:L/Au:S/C:P/I:P/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
CVE List No score
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.
- Record
CVE-2018-1000188- Updated
- 2026-11-02
EUVDEUVD-2022-3729 No score
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.
- Record
EUVD-2022-3729- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f8r7-7hv9-7f43
Jenkins CAS Plugin Server-Side Request Forgery vulnerability
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL. Additionally, this form validation method did not require POST requests, resulting in a CSRF vulnerability. As of version 1.4.2, this form validation method requires POST requests and the Overall/Administer permission.
- Record
GHSA-f8r7-7hv9-7f43- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.
- Record
CVE-2018-1000188- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-f8r7-7hv9-7f43
Jenkins CAS Plugin Server-Side Request Forgery vulnerability
A server-side request forgery vulnerability exists in Jenkins CAS Plugin 1.4.1 and older in CasSecurityRealm.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL. Additionally, this form validation method did not require POST requests, resulting in a CSRF vulnerability. As of version 1.4.2, this form validation method requires POST requests and the Overall/Administer permission.
- Record
GHSA-f8r7-7hv9-7f43- CVSS 3.0
- 5.4 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:cas-pluginMaven |
through 1.4.1 | 1.4.2 |
org.jenkins-ci.plugins:cas-pluginMaven |
before 1.4.2, plus listed versions 1.0.01.1.01.1.11.1.21.2.01.3.01.4.01.4.1 |
1.4.2 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-1000188 is a medium vulnerability (CVSS 5.4) in Jenkins Cas, published June 5, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. Fixed in org.jenkins-ci.plugins:cas-plugin 1.4.2.