{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-72657 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-72657 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-72657 is a medium-severity missing authorization vulnerability in Elastic Fleet Server, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-72657 and fix it if it is affected.\n\nWhat it is: CVE-2026-72657 is a medium-severity missing authorization vulnerability in Elastic Fleet Server, published on 13 Aug 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-2026-72657 in the wild and no public exploit code.\n\nAffected product: Elastic Fleet Server. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2026-72657/ (Markdown: https://insights.sbomify.com/CVE-2026-72657/index.md)","id":"CVE-2026-72657","markdown":"https://insights.sbomify.com/CVE-2026-72657/index.md","name":"CVE-2026-72657","record":{"aliases":["GHSA-4ppv-hgww-58v5"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Elastic Fleet Server","requires_auth":"low_privilege","summary":"An authenticated attacker with valid agent credentials can retrieve unauthorized policy artifacts due to missing server-side validation of client-supplied keys.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"elastic","cpe":[{"product":"fleet_server","vendor":"elastic"}],"cvss":{"score":6.5,"severity":"medium","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key"}],"description":"Authorization Bypass Through User-Controlled Key (CWE-639) in Fleet Server can lead to information disclosure via Manipulating User-Controlled Variables (CAPEC-77). The authorization decision for artifact downloads relied on a client-supplied value that was persisted without being validated against the server-side record of the requesting agent's assignment. An authenticated party in possession of a valid enrolled agent credential could therefore retrieve a policy the agent is not assigned to.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":null,"headline":"Authorization Bypass Through User-Controlled Key in Fleet Server Leading to Information Disclosure","id":"CVE-2026-72657","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Cross-Site Request Forgery in Kibana Leading to Privilege Escalation","id":"CVE-2026-72658"},"packages":[],"prev":{"headline":"Memory Allocation with Excessive Size Value in Elasticsearch Leading to Denial of Service","id":"CVE-2026-72656"},"products":["Fleet Server"],"published":"2026-08-13","related":[{"cvss_score":8.1,"headline":"Fleet Server Insertion of Sensitive Information into Log File","id":"CVE-2023-46667","kev_date_added":null,"published":"2023-10-26"},{"cvss_score":6.5,"headline":"Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of Service","id":"CVE-2026-56150","kev_date_added":null,"published":"2026-07-01"},{"cvss_score":3.1,"headline":"Incorrect Authorization in Fleet Server Leading to Denial of Service of Agent Upload Operations","id":"CVE-2026-78587","kev_date_added":null,"published":"2026-09-02"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"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":"2026-08-13","vendors":["Elastic"]},"summary":"An authenticated attacker with valid agent credentials can retrieve unauthorized policy artifacts due to missing server-side validation of client-supplied keys.","url":"https://insights.sbomify.com/CVE-2026-72657/"}