Medium severity4.3NVD Advisory· Published Jun 24, 2026· Updated Jun 26, 2026
CVE-2026-57300
CVE-2026-57300
Description
A missing permission check in Jenkins MCP Server Plugin 0.177.v629fdb_2557fe and earlier allows attackers with Item/Read permission to read the Pipeline replay scripts of jobs they can access.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
io.jenkins.plugins:mcp-serverMaven | < 0.178.vffe5a | 0.178.vffe5a |
Affected products
3- cpe:2.3:a:jenkins:mcp_server:*:*:*:*:*:jenkins:*:*Range: <=0.177.v629fdb_2557fe
- Range: <=0.177.v629fdb_2557fe
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-mpff-xhg4-vr45ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-57300ghsaADVISORY
- www.jenkins.io/security/advisory/2026-06-24/nvdVendor AdvisoryWEB
- github.com/jenkinsci/mcp-server-plugin/commit/ffe5ae770f3bd7e88c99aea3018263af0b2f9cc4ghsaWEB
- github.com/jenkinsci/mcp-server-plugin/releases/tag/0.178.vffe5a_e770f3b_ghsaWEB
News mentions
2- Jenkins Project: 25 Plugin Vulnerabilities Disclosed Together on June 24, 2026Vypr Intelligence · Jun 24, 2026
- Jenkins Security Advisory 2026-06-24Jenkins Security Advisories · Jun 24, 2026