Sunday, 13 September 2026
8 agent hacks today 7 vs yesterday (1)

Jenkins MCP Server Plugin missing permission check exposes Pipeline replay scripts

A missing permission check in the 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. The issue was published as CVE-2026-57300 alongside a Jenkins security advisory.

Disclosed 24 June 2026 · Record updated 13 September 2026

Impact

Users holding only Item/Read permission could read Pipeline replay scripts of jobs they can access, potentially disclosing sensitive script contents.

Our coverage

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Sources

  1. nvd.nist.govhttps://nvd.nist.gov/vuln/detail/CVE-2026-57300