{"answers":{"affected":"It affects 21 products.","exploited":"There is no known exploitation of CVE-2026-42408 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-42408 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-42408 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-42408 and fix it if it is affected.\n\nWhat it is: CVE-2026-42408 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 13 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-42408 in the wild and no public exploit code.\n\nAffected product: F5 Big-Ip Access Policy Manager. 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-2026-42408/ (Markdown: https://insights.sbomify.com/CVE-2026-42408/index.md)","id":"CVE-2026-42408","markdown":"https://insights.sbomify.com/CVE-2026-42408/index.md","name":"CVE-2026-42408","record":{"aliases":["GHSA-5jw2-vqxm-5fmx"],"analysis":{"component_type":"network_device","fix_type":"patch","impacts":["data_read"],"network_reachable":"adjacent_or_local","non_default_config":true,"product_category":"BIG-IP DNS","requires_auth":"high_privilege","summary":"A highly privileged authenticated attacker can view sensitive information via an undisclosed tmsh command in BIG-IP DNS.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"f5","cpe":[{"product":"big-ip_access_policy_manager","vendor":"f5"},{"product":"big-ip_advanced_firewall_manager","vendor":"f5"},{"product":"big-ip_advanced_web_application_firewall","vendor":"f5"},{"product":"big-ip_analytics","vendor":"f5"},{"product":"big-ip_application_acceleration_manager","vendor":"f5"},{"product":"big-ip_application_security_manager","vendor":"f5"},{"product":"big-ip_application_visibility_and_reporting","vendor":"f5"},{"product":"big-ip_automation_toolchain","vendor":"f5"},{"product":"big-ip_carrier-grade_nat","vendor":"f5"},{"product":"big-ip_container_ingress_services","vendor":"f5"},{"product":"big-ip_ddos_hybrid_defender","vendor":"f5"},{"product":"big-ip_domain_name_system","vendor":"f5"},{"product":"big-ip_edge_gateway","vendor":"f5"},{"product":"big-ip_fraud_protection_service","vendor":"f5"},{"product":"big-ip_global_traffic_manager","vendor":"f5"},{"product":"big-ip_link_controller","vendor":"f5"},{"product":"big-ip_local_traffic_manager","vendor":"f5"},{"product":"big-ip_policy_enforcement_manager","vendor":"f5"},{"product":"big-ip_ssl_orchestrator","vendor":"f5"},{"product":"big-ip_webaccelerator","vendor":"f5"},{"product":"big-ip_websafe","vendor":"f5"}],"cvss":{"score":6.7,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-312","name":"Cleartext Storage of Sensitive Information"}],"description":"When BIG-IP DNS is provisioned, a vulnerability exists in an undisclosed TMOS Shell (tmsh) command that may allow a highly privileged authenticated attacker to view sensitive information.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","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":"BIG-IP DNS tmsh vulnerability","id":"CVE-2026-42408","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"f5:big-ip_access_policy_manager","products":["f5:big-ip_access_policy_manager","f5:big-ip_advanced_firewall_manager","f5:big-ip_advanced_web_application_firewall","f5:big-ip_analytics","f5:big-ip_application_acceleration_manager","f5:big-ip_application_security_manager","f5:big-ip_application_visibility_and_reporting","f5:big-ip_automation_toolchain","f5:big-ip_carrier-grade_nat","f5:big-ip_container_ingress_services","f5:big-ip_ddos_hybrid_defender","f5:big-ip_domain_name_system","f5:big-ip_edge_gateway","f5:big-ip_fraud_protection_service","f5:big-ip_global_traffic_manager","f5:big-ip_link_controller","f5:big-ip_local_traffic_manager","f5:big-ip_policy_enforcement_manager","f5:big-ip_ssl_orchestrator","f5:big-ip_webaccelerator","f5:big-ip_websafe"],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"BIG-IP HTTP/2 vulnerability","id":"CVE-2026-42409"},"packages":[],"prev":{"headline":"BIG-IP and BIG-IQ privilege escalation vulnerability","id":"CVE-2026-42406"},"products":["BIG-IP"],"published":"2026-05-13","related":[{"cvss_score":9.8,"headline":"F5 BIG-IP Configuration Utility Authentication Bypass","id":"CVE-2023-46747","kev_date_added":"2023-10-31","published":"2023-10-26"},{"cvss_score":9.8,"headline":"F5 BIG-IP Missing Authentication","id":"CVE-2022-1388","kev_date_added":"2022-05-10","published":"2022-05-05"},{"cvss_score":9.8,"headline":"F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution","id":"CVE-2021-22986","kev_date_added":"2021-11-03","published":"2021-03-31"},{"cvss_score":9.8,"headline":"F5 BIG-IP Traffic Management Microkernel Buffer Overflow","id":"CVE-2021-22991","kev_date_added":"2022-01-18","published":"2021-03-31"},{"cvss_score":9.8,"headline":"F5 BIG-IP Traffic Management User Interface (TMUI) Remote Code Execution","id":"CVE-2020-5902","kev_date_added":"2021-11-03","published":"2020-07-01"},{"cvss_score":9.3,"headline":"F5 BIG-IP APM Heap-based Buffer Overflow","id":"CVE-2026-94127","kev_date_added":"2026-09-22","published":"2026-09-22"},{"cvss_score":9.3,"headline":"F5 BIG-IP Stack-Based Buffer Overflow","id":"CVE-2025-53521","kev_date_added":"2026-03-27","published":"2025-10-15"}],"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":"2026-05-13","vendors":["F5"]},"summary":"A highly privileged authenticated attacker can view sensitive information via an undisclosed tmsh command in BIG-IP DNS.","url":"https://insights.sbomify.com/CVE-2026-42408/"}