{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-20129 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-20129 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-20129 is a critical authentication bypass vulnerability in Cisco Catalyst Sd-Wan Manager, published on 25 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-20129 and fix it if it is affected.\n\nWhat it is: CVE-2026-20129 is a critical authentication bypass vulnerability in Cisco Catalyst Sd-Wan Manager, published on 25 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-20129 in the wild and no public exploit code.\n\nAffected product: Cisco Catalyst Sd-Wan 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-2026-20129/ (Markdown: https://insights.sbomify.com/CVE-2026-20129/index.md)","id":"CVE-2026-20129","markdown":"https://insights.sbomify.com/CVE-2026-20129/index.md","name":"CVE-2026-20129","record":{"aliases":["GHSA-5h54-2f2f-5x5c"],"analysis":{"component_type":"network_device","fix_type":"upgrade","impacts":["privilege_escalation","code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"Cisco Catalyst SD-WAN Manager","requires_auth":"none","summary":"Unauthenticated remote attackers can bypass API authentication to gain netadmin privileges and execute commands on Cisco Catalyst SD-WAN Manager.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"cisco","cpe":[{"product":"catalyst_sd-wan_manager","vendor":"cisco"}],"cvss":{"score":9.8,"severity":"critical","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"cwes":[{"id":"CWE-287","name":"Improper Authentication"}],"description":"A vulnerability in the API user authentication of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain access to an affected system as a user who has the\u0026nbsp;netadmin role.\r\n\r\nThe vulnerability is due to improper authentication for requests that are sent to the API. An attacker could exploit this vulnerability by sending a crafted request to the API of an affected system. A successful exploit could allow the attacker to execute commands with the privileges of the netadmin role.\r\nNote: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.\u0026nbsp;","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":"Cisco Catayst SD-WAN Authentication Bypass Vulnerability","id":"CVE-2026-20129","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"cisco:catalyst_sd-wan_manager","products":["cisco:catalyst_sd-wan_manager"],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Cisco Identity Services Engine Hardening Release - Improper Neutralization Vulnerabilities","id":"CVE-2026-20130"},"packages":[],"prev":{"headline":"Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format","id":"CVE-2026-20128"},"products":["Cisco Catalyst SD-WAN Manager"],"published":"2026-02-25","related":[{"cvss_score":10,"headline":"Cisco Catalyst SD-WAN Controller Authentication Bypass","id":"CVE-2026-20182","kev_date_added":"2026-05-14","published":"2026-05-14"},{"cvss_score":10,"headline":"Cisco Catalyst SD-WAN Controller and Manager Authentication Bypass","id":"CVE-2026-20127","kev_date_added":"2026-02-25","published":"2026-02-25"},{"cvss_score":9.8,"headline":"Cisco Catalyst SD-WAN Manager Hex Encoding","id":"CVE-2026-76504","kev_date_added":"2026-09-30","published":"2026-09-30"},{"cvss_score":7.8,"headline":"Cisco Catalyst SD-WAN Manager Improper Encoding or Escaping of Output","id":"CVE-2026-20245","kev_date_added":"2026-06-09","published":"2026-06-04"},{"cvss_score":7.8,"headline":"Cisco SD-WAN Path Traversal","id":"CVE-2022-20775","kev_date_added":"2026-02-25","published":"2022-09-30"},{"cvss_score":7.5,"headline":"Cisco Catalyst SD-WAN Manager Storing Passwords in a Recoverable Format","id":"CVE-2026-20128","kev_date_added":"2026-04-20","published":"2026-02-25"},{"cvss_score":6.5,"headline":"Cisco Catalyst SD-WAN Manager Directory or Path Traversal","id":"CVE-2026-20262","kev_date_added":"2026-06-15","published":"2026-06-15"}],"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":"yes","exploitation":"none","technical_impact":"total"},"state":"PUBLISHED","updated":"2026-03-20","vendors":["Cisco"]},"summary":"Unauthenticated remote attackers can bypass API authentication to gain netadmin privileges and execute commands on Cisco Catalyst SD-WAN Manager.","url":"https://insights.sbomify.com/CVE-2026-20129/"}