CVE-2018-1000861

highpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.983 · 100 %ileexploit · weaponizedEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 4 exploits · weaponized

Likely / severe?

98.3% (100th) EPSS

CVSS 10 · high

Is it mine?

93 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

added 2022-02-10remediate by 2022-08-10

required action Apply updates per vendor instructions.

EPSS · scored 2026-10-26

Jenkins Stapler Web Framework Deserialization of Untrusted Data Vulnerability

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedjenkins-0:2.138.4.1544416383-1.el7.noarch as a component of Red Hat OpenShift Container Platform 3.11redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. See the following documentation, which will be updated shortly for release 3.11.59, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258.
https://access.redhat.com/errata/RHBA-2019:0024
Fixedjenkins-0:2.138.4.1544416383-1.el7.src as a component of Red Hat OpenShift Container Platform 3.11redhat_csaf
Before applying this update, ensure all previously released errata relevant to your system have been applied. See the following documentation, which will be updated shortly for release 3.11.59, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/articles/11258.
https://access.redhat.com/errata/RHBA-2019:0024

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.8–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.08.8highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · Red Hat Product Security US

v3.09.8criticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondaryexploitability 3.9 · impact 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USprimaryCWE-470USCWE-502USCWE-502US

exploits (4)

Public proof-of-concept and weaponised exploit code.

exploit/multi/http/jenkins_metaprogrammingJenkins ACL Bypass and Metaprogramming RCEweaponized · metasploit
1NTheKut/CVE-2019-1003000_RCE-DETECTIONA C# module to detect if a Jenkins server is vulnerable to the RCE vulnerability found in CVE-2019-1003000 (chained with CVE-2018-1000861 for pre-auth RCE)PoC · poc_in_github
CyberCTF/vulhub-jenkins-cve-2018-1000861Vulhub jenkins/CVE-2018-1000861: Jenkins Stapler unauthenticated RCE, run with IsoloomPoC · poc_in_github
smokeintheshell/CVE-2018-1000861CVE-2018-1000861 ExploitPoC · poc_in_github

affected products (93)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
CD Foundation Jenkins≤ 2.138.3fstec_bduRU
CD Foundation Jenkins≤ 2.153fstec_bduRU
Red Hat Inc. Red Hat OpenShift Container Platform≤ 3.11fstec_bduRU
jenkins jenkins≤ 2.138.3nvdUScpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
jenkins jenkins≤ 2.153nvdUScpe:2.3:a:jenkins:jenkins:*:*:*:*:*:*:*:*
redhat openshift container platform= 3.11nvdUScpe:2.3:a:redhat:openshift_container_platform:*:*:*:*:*:*:*:*
Maven org.jenkins-ci.main:jenkins-core< 2.138.4osvUSpkg:maven/org.jenkins-ci.main/jenkins-core
Maven org.jenkins-ci.main:jenkins-core2.140 → 2.154osvUSpkg:maven/org.jenkins-ci.main/jenkins-core
ansible-service-broker-1:1.3.21-1.el7.ppc64le as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
ansible-service-broker-1:1.3.21-1.el7.src as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
ansible-service-broker-1:1.3.21-1.el7.x86_64 as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
ansible-service-broker-container-scripts-1:1.3.21-1.el7.noarch as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
ansible-service-broker-selinux-1:1.3.21-1.el7.noarch as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-enterprise-service-catalog-1:3.11.59-1.git.1671.f166457.el7.ppc64le as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-enterprise-service-catalog-1:3.11.59-1.git.1671.f166457.el7.src as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-enterprise-service-catalog-1:3.11.59-1.git.1671.f166457.el7.x86_64 as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-enterprise-service-catalog-svcat-1:3.11.59-1.git.1671.f166457.el7.ppc64le as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-enterprise-service-catalog-svcat-1:3.11.59-1.git.1671.f166457.el7.x86_64 as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS
atomic-openshift-0:3.11.59-1.git.0.7cb6277.el7.ppc64le as a component of Red Hat OpenShift Container Platform 3.11all versionsnot affectedredhat_csafUS

showing 20 of 93

advisories (2)

Vendor and ecosystem advisories describing this.

RHBA-2019:0024Red Hat Bug Fix Advisory: OpenShift Container Platform 3.11 bug fix and enhancement update2019-01-10csaf · redhat_csafUS
Red Hat OpenShift Container Platform release 3.11.59 is now available with updates to packages and images that fix several bugs and add enhancements.
GHSA-hhpm-5cp2-hg4xDeserialization of Untrusted Data in Jenkins2022-05-13ghsa · osvUS
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.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd osv redhat_csaf NVD CVE.org MITRE

published 2018-12-10modified 2026-06-17

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+3739 more

references (15)

External citations — patches, advisories, analysis.

scry

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