Security readout for executives and security teams
Plain-English summary
This CVE concerns Jenkins GitHub Pull Request Builder Plugin versions 1.39.0 and older. A person who already has local file system access to the Jenkins environment could obtain GitHub credentials exposed by the plugin. The main business risk is unauthorized use of GitHub access tied to CI automation.
Executive priority
Treat as a targeted CI credential exposure issue, not an internet-wide emergency based on the supplied evidence. Prioritize Jenkins environments with shared access, sensitive repositories, or broad GitHub tokens.
Technical view
The reported flaw is sensitive information exposure in GhprbCause.java in Jenkins GitHub Pull Request Builder Plugin 1.39.0 and earlier. The source bundle states attackers need local file system access. No CVSS, CWE, patch version, or active exploitation evidence is provided in the supplied sources.
Likely exposure
Exposure is likely limited to Jenkins installations using GitHub Pull Request Builder Plugin 1.39.0 or older, especially where untrusted users, jobs, or compromised accounts can read local Jenkins files.
Exploitation context
The supplied sources do not report active exploitation, and this CVE is not marked CISA KEV. The prerequisite is local file system access, so risk rises sharply on shared Jenkins hosts, weakly isolated build agents, or compromised CI accounts.
Researcher notes
Evidence is sparse: the bundle names the vulnerable plugin, version range, affected file, and local-access prerequisite, but not a CVSS score, CWE, exploit details, or fixed version. Avoid broader product claims without checking the Jenkins advisory.
Mitigation direction
- Inventory Jenkins instances for GitHub Pull Request Builder Plugin usage and version.
- Check Jenkins SECURITY-262 for vendor-confirmed fixed-version or mitigation guidance.
- Disable or remove the plugin where it is not operationally required.
- Restrict local file system access on Jenkins controllers and build environments.
- Rotate GitHub credentials if vulnerable hosts had untrusted or compromised local access.
Validation and detection
- Confirm whether the plugin is installed and at version 1.39.0 or older.
- Review Jenkins credential storage and job logs for unintended GitHub credential exposure.
- Check which users, jobs, and agents had local file access to Jenkins data.
- Verify GitHub tokens used by Jenkins have least-privilege repository access.
- Look for unexpected GitHub API use from Jenkins-linked credentials.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-1000143 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://jenkins.io/security/advisory/2018-03-26/#SECURITY-262CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.