{"id":"CVE-2026-47828","state":"PUBLISHED","title":"Missing TLS Certificate Verification in BOSH CLI Allows Root Code Execution via Man-in-the-Middle Credential Replay","description":"During bosh create-env and bosh delete-env, the CLI uploads compiled CPI packages and rendered job templates to the new VM's DAV blobstore over HTTPS without verifying the server certificate, even though a CA certificate for that endpoint is available in the installation manifest. A network attacker can terminate the TLS connection, harvest the Basic-auth credentials, and read the rendered-templates archive containing every bootstrap secret for the new BOSH Director, then replay the credentials against the real VM's agent for root code execution.\nAffected versions: bosh-cli versions prior to v7.10.4.","publishedAt":"2026-07-09T06:07:10.251Z","updatedAt":"2026-07-09T12:50:23.498Z","severity":{"score":8.9,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"vmware"},"assigner":"vmware","products":["BOSH-Ecosystem / BOSH (bosh-cli) bosh-cli"],"affected":[{"vendor":"BOSH-Ecosystem / BOSH (bosh-cli)","product":"bosh-cli","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"7.10.4","versionType":"custom"}]}],"references":["https://www.cloudfoundry.org/blog/cve-2026-47828-missing-tls-certificate-verification-in-bosh-cli-allows-root-code-execution-via-man-in-the-middle-credential-replay/"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/47xxx/CVE-2026-47828.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-47828","state":"PUBLISHED","datePublished":"2026-07-09T06:07:10.251Z","dateUpdated":"2026-07-09T12:50:23.498Z","assignerShortName":"vmware","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateReserved":"2026-05-20T10:00:48.931Z"},"containers":{"cna":{"title":"Missing TLS Certificate Verification in BOSH CLI Allows Root Code Execution via Man-in-the-Middle Credential Replay","descriptions":[{"lang":"en","value":"During bosh create-env and bosh delete-env, the CLI uploads compiled CPI packages and rendered job templates to the new VM's DAV blobstore over HTTPS without verifying the server certificate, even though a CA certificate for that endpoint is available in the installation manifest. A network attacker can terminate the TLS connection, harvest the Basic-auth credentials, and read the rendered-templates archive containing every bootstrap secret for the new BOSH Director, then replay the credentials against the real VM's agent for root code execution.\nAffected versions: bosh-cli versions prior to v7.10.4."}],"affected":[{"vendor":"BOSH-Ecosystem / BOSH (bosh-cli)","product":"bosh-cli","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"7.10.4","versionType":"custom"}]}],"references":[{"url":"https://www.cloudfoundry.org/blog/cve-2026-47828-missing-tls-certificate-verification-in-bosh-cli-allows-root-code-execution-via-man-in-the-middle-credential-replay/"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_0":{"version":"3.0","baseSeverity":"HIGH","baseScore":7.1,"vectorString":"CVSS:3.0/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","attackVector":"ADJACENT_NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"cvssV4_0":{"attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"PASSIVE","vulnConfidentialityImpact":"HIGH","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","subIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subAvailabilityImpact":"HIGH","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":8.9,"vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H"}}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-295 Improper Certificate Validation","type":"CWE"}]}],"providerMetadata":{"shortName":"vmware","orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","dateUpdated":"2026-07-09T06:07:10.251Z"},"impacts":[{"descriptions":[{"lang":"en","value":"Man-in-the-middle credential harvesting leading to root code execution on the BOSH Director VM."}]}],"source":{"discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T12:50:18.233298Z","id":"CVE-2026-47828","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T12:50:23.498Z"}}]}}}