{"answers":{"affected":"2 open source packages ship an affected version, including io.jenkins.plugins:mcp-server. It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-57300 in the wild and no public exploit code.","fix":"Upgrade io.jenkins.plugins:mcp-server to 0.178.vffe5a or later.","what":"CVE-2026-57300 is a medium-severity missing authorization vulnerability in Jenkins MCP Server Plugin, published on 24 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-57300 and fix it if it is affected.\n\nWhat it is: CVE-2026-57300 is a medium-severity missing authorization vulnerability in Jenkins MCP Server Plugin, published on 24 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-57300 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- io.jenkins.plugins:mcp-server (Maven): affected all versions; fixed in 0.178.vffe5a\n- io.jenkins.plugins:mcp-server (Maven): affected all versions; fixed in 0.178.vffe5a\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-57300/ (Markdown: https://insights.sbomify.com/CVE-2026-57300/index.md)","id":"CVE-2026-57300","markdown":"https://insights.sbomify.com/CVE-2026-57300/index.md","name":"CVE-2026-57300","record":{"aliases":["GHSA-mpff-xhg4-vr45"],"analysis":{"component_type":"cms_plugin","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Jenkins MCP Server Plugin","requires_auth":"low_privilege","summary":"Attackers with Item/Read permission can read Pipeline replay scripts of accessible jobs due to a missing permission check in the Jenkins MCP Server Plugin.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"jenkins","cpe":[{"product":"mcp_server","vendor":"jenkins"}],"cvss":{"score":4.3,"severity":"medium","source":"cisa-adp","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-862","name":"Missing Authorization"}],"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.","ecosystems":["Maven"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Jenkins MCP Server Plugin missing a permission check","id":"CVE-2026-57300","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Maven","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":2,"n_references":1,"next":{"headline":"Jenkins OWASP ZAP Plugin: Builds executed on the Jenkins controller can lead to RCE","id":"CVE-2026-57301"},"packages":[{"ecosystem":"Maven","fixed":["0.178.vffe5a"],"introduced":["0"],"last_affected":[],"package":"io.jenkins.plugins:mcp-server","purl":null,"source":"GHSA-mpff-xhg4-vr45"},{"ecosystem":"Maven","fixed":["0.178.vffe5a"],"introduced":["0"],"last_affected":[],"package":"io.jenkins.plugins:mcp-server","purl":"pkg:maven/io.jenkins.plugins/mcp-server","source":"GHSA-mpff-xhg4-vr45"}],"prev":{"headline":"Jenkins Contrast Continuous Application Security Plugin missing permission checks","id":"CVE-2026-57299"},"products":["Jenkins MCP Server Plugin"],"published":"2026-06-24","related":[{"cvss_score":5.4,"headline":"Jenkins MCP Server Plugin does not perform permission checks in multiple MCP tools","id":"CVE-2025-64132","kev_date_added":null,"published":"2025-10-29"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-06-24","vendors":["Jenkins Project"]},"summary":"Attackers with Item/Read permission can read Pipeline replay scripts of accessible jobs due to a missing permission check in the Jenkins MCP Server Plugin.","url":"https://insights.sbomify.com/CVE-2026-57300/"}