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Public proof of conceptFix available

CVE-2018-1999002

A public proof of concept exists; no exploitation attested.

  • Published2018-07-23

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A arbitrary file read vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers to send crafted HTTP requests returning the contents of any file on the Jenkins master file system that the Jenkins master has access to.

Timeline

dates in UTC
  1. 2018-07-2319:29CVE publishedNVD
  2. 2019-02-25Exploit-DB entryExploit-DB

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-1999002?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-1999002?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV
Jenkins
BranchAffectedFixed in
2.121≤ 2.121.1no fix published
2.x≥ 2.122, ≤ 2.132no fix published
jenkins-core
BranchAffectedFixed in
2.x≥ 2.122, < 2.1322.132
2.121< 2.121.22.121.2
Oracle communications cloud native core automated test suite
BranchAffectedFixed in
1.9= 1.9.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • CVE-2018-1999002 Red Hat Product Security

    jenkins: Flaw in the Stapler web framework allows remote unauthenticated users to read arbitrary files

Full record on NVD

Fix

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
EDB-46453
Exploit-DB
Proof-of-concept repositories
3 repositories, unverifiedwetw0rk/Exploit-Developmentim23pds/CVE-2019-1003000-and-CVE-2018-1999002-Pre-Auth-RCE-Jenkins0x6b7966/CVE-2018-1999002
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published
2018-07-23
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-qf38-f2fr-q4x9

Frequently asked questions

What is CVE-2018-1999002?

A arbitrary file read vulnerability exists in Jenkins 2.132 and earlier, 2.121.1 and earlier in the Stapler web framework's org/kohsuke/stapler/Stapler.java that allows attackers to send crafted HTTP requests returning the contents of any file on the Jenkins master file system that the Jenkins master has access to.

Is CVE-2018-1999002 actively exploited?

Active exploitation of CVE-2018-1999002 has not been confirmed. Its EPSS score was 86.6% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-1999002?

CVE-2018-1999002 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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Sources for this record