{"answers":{"affected":"It affects 1 product.","exploited":"There is no known exploitation of CVE-2026-59309 in the wild and no public exploit code.","fix":"No fix has been published for CVE-2026-59309 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-59309 is a critical authentication bypass vulnerability in Vmware Vcenter Server, published on 30 Jul 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-2026-59309 and fix it if it is affected.\n\nWhat it is: CVE-2026-59309 is a critical authentication bypass vulnerability in Vmware Vcenter Server, published on 30 Jul 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-2026-59309 in the wild and no public exploit code.\n\nAffected product: Vmware Vcenter 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-2026-59309/ (Markdown: https://insights.sbomify.com/CVE-2026-59309/index.md)","id":"CVE-2026-59309","markdown":"https://insights.sbomify.com/CVE-2026-59309/index.md","name":"CVE-2026-59309","record":{"aliases":["GHSA-fcv2-9hgc-5mgq"],"analysis":{"component_type":"server_software","fix_type":"patch","impacts":["security_bypass","privilege_escalation"],"network_reachable":"yes","non_default_config":false,"product_category":"VMware vCenter","requires_auth":"none","summary":"A network-based attacker can bypass authentication in VMware vCenter Directory Service to gain unauthorized system access.","user_interaction":"not_required","vuln_class":"auth_bypass"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"vmware","cpe":[{"product":"vcenter_server","vendor":"vmware"}],"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-303","name":"Incorrect Implementation of Authentication Algorithm"}],"description":"VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.","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":"vCenter authentication-bypass vulnerability","id":"CVE-2026-59309","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":"vmware:vcenter_server","products":["vmware:vcenter_server"],"type":"auth_bypass","year":"2026"},"n_packages":0,"n_references":1,"next":{"headline":"Broadcom VMware vCenter Path Traversal","id":"CVE-2026-59310"},"packages":[],"prev":{"headline":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","id":"CVE-2026-59308"},"products":["Cloud Foundation","Telco Cloud Infrastructure","Telco Cloud Platform","vCenter","vSphere Foundation"],"published":"2026-07-30","related":[{"cvss_score":9.8,"headline":"Broadcom VMware vCenter Path Traversal","id":"CVE-2026-59310","kev_date_added":"2026-08-18","published":"2026-07-30"},{"cvss_score":9.8,"headline":"VMware vCenter Server Out-of-Bounds Write","id":"CVE-2023-34048","kev_date_added":"2024-01-22","published":"2023-10-25"},{"cvss_score":9.8,"headline":"VMware vCenter Server Information Disclosure","id":"CVE-2020-3952","kev_date_added":"2021-11-03","published":"2020-04-10"},{"cvss_score":5.3,"headline":"VMware vCenter Server Improper Access Control","id":"CVE-2021-22017","kev_date_added":"2022-01-10","published":"2021-09-23"},{"cvss_score":10,"headline":"Code injection in n/a","id":"CVE-2015-2342","kev_date_added":null,"published":"2015-10-12"},{"cvss_score":9.8,"headline":"Memory corruption in VMware Cloud Foundation","id":"CVE-2024-37080","kev_date_added":null,"published":"2024-06-18"}],"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":"2026-07-30","vendors":["VMware"]},"summary":"A network-based attacker can bypass authentication in VMware vCenter Directory Service to gain unauthorized system access.","url":"https://insights.sbomify.com/CVE-2026-59309/"}