{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101998","assignerOrgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","state":"PUBLISHED","assignerShortName":"Docker","dateReserved":"2026-09-28T16:32:15.536Z","datePublished":"2026-10-08T18:47:28.551Z","dateUpdated":"2026-10-08T19:27:49.633Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["Linux","MacOS","Windows"],"product":"Docker Sandboxes","vendor":"Docker","cpes":["cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:*"],"versions":[{"version":"0.21.0","status":"affected","lessThan":"0.47.0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"reporter","value":"Irad Aharoni"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Docker Sandboxes could fail open while masking credentials in protected proxy responses. When a response-body read returned data together with an error, affected handlers could forward unmasked bytes. Code inside an authorized sandbox could use this to recover host-managed OAuth access and refresh tokens or a derived Anthropic API key intended to remain outside the sandbox."}],"value":"Docker Sandboxes could fail open while masking credentials in protected proxy responses. When a response-body read returned data together with an error, affected handlers could forward unmasked bytes. Code inside an authorized sandbox could use this to recover host-managed OAuth access and refresh tokens or a derived Anthropic API key intended to remain outside the sandbox."}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"ADJACENT","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-636","description":"CWE-636: Not Failing Securely ('Failing Open')","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","shortName":"Docker","dateUpdated":"2026-10-08T18:47:28.551Z"},"references":[{"tags":["product"],"url":"https://docs.docker.com/ai/sandboxes/"},{"tags":["technical-description"],"url":"https://docs.docker.com/ai/sandboxes/configuration/credentials/#how-credential-injection-works"}],"solutions":[{"lang":"en","value":"Upgrade to Docker Sandboxes 0.47.0 or later."}],"source":{"discovery":"EXTERNAL"},"title":"Fail-open response masking in Docker Sandboxes can expose proxy-managed credentials"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-08T19:27:40.966581Z","id":"CVE-2026-101998","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-08T19:27:49.633Z"}}]}}