Back
CVE-2018-1000861
CRITICAL
CISA KEV
A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.
Published: Dec 10, 2018
Modified: Jun 17, 2026
CWE-502
CWE-502
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (3)
| Vendor | Product | Version |
|---|---|---|
| jenkins | jenkins | * |
| jenkins | jenkins | * |
| redhat | openshift_container_platform | 3.11 |
GitHub Security Advisory GHSA-hhpm-5cp2-hg4x
Deserialization of Untrusted Data in Jenkins
maven
org.jenkins-ci.main:jenkins-core
<= 2.138.3
Fixed: 2.138.4
maven
org.jenkins-ci.main:jenkins-core
>= 2.140, <= 2.153
Fixed: 2.154
References (9)
- http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106176 Broken Link
- https://access.redhat.com/errata/RHBA-2019:0024 Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595 Vendor Advisory
- http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/106176 Broken Link
- https://access.redhat.com/errata/RHBA-2019:0024 Third Party Advisory
- https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-1000861 US Government Resource
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
98.33%
Top 0% most likely to be exploited
Threat Score
98.7 / 100
CISA Known Exploited
Date Added:
2022-02-10
Due Date:
2022-08-10
Required Action:
Apply updates per vendor instructions.
Data Sources
NVD
CISA KEV
EPSS
GitHub