{"id":"CVE-2026-105452","state":"PUBLISHED","title":"Docker Sandboxes egress proxy could forward unrecognized client credentials to managed hosts","description":"Docker Sandboxes could forward a client-supplied credential alongside a credential injected by the host egress proxy. The proxy removed alternate credentials only when their values matched known sentinel values, so untrusted code in an authorized sandbox could supply an unrecognized credential in another supported authentication header. For affected upstream services, this could authenticate the request to an attacker-controlled account and expose data included in the request.","publishedAt":"2026-10-08T18:49:37.331Z","updatedAt":"2026-10-08T19:29:41.004Z","severity":{"score":5.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","source":"Docker"},"assigner":"Docker","products":["Docker Docker Sandboxes"],"affected":[{"vendor":"Docker","product":"Docker Sandboxes","defaultStatus":"unaffected","versions":[{"version":"0.21.0","status":"affected","lessThan":"0.43.0","versionType":"semver"}],"platforms":["Linux","MacOS","Windows"],"cpes":["cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:*"]}],"references":["https://docs.docker.com/ai/sandboxes/","https://docs.docker.com/ai/sandboxes/configuration/credentials/#how-credential-injection-works"],"weaknesses":["CWE-200"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/105xxx/CVE-2026-105452.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105452","state":"PUBLISHED","datePublished":"2026-10-08T18:49:37.331Z","dateUpdated":"2026-10-08T19:29:41.004Z","assignerShortName":"Docker","assignerOrgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","dateReserved":"2026-10-05T13:55:16.620Z"},"containers":{"cna":{"title":"Docker Sandboxes egress proxy could forward unrecognized client credentials to managed hosts","descriptions":[{"lang":"en","value":"Docker Sandboxes could forward a client-supplied credential alongside a credential injected by the host egress proxy. The proxy removed alternate credentials only when their values matched known sentinel values, so untrusted code in an authorized sandbox could supply an unrecognized credential in another supported authentication header. For affected upstream services, this could authenticate the request to an attacker-controlled account and expose data included in the request."}],"affected":[{"vendor":"Docker","product":"Docker Sandboxes","defaultStatus":"unaffected","versions":[{"version":"0.21.0","status":"affected","lessThan":"0.43.0","versionType":"semver"}],"platforms":["Linux","MacOS","Windows"],"cpes":["cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:*"]}],"references":[{"url":"https://docs.docker.com/ai/sandboxes/","tags":["product"]},{"url":"https://docs.docker.com/ai/sandboxes/configuration/credentials/#how-credential-injection-works","tags":["technical-description"]}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","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-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Docker","orgId":"686469e6-3ff6-451b-ab8b-cf5b9e89401e","dateUpdated":"2026-10-08T18:49:37.331Z"},"credits":[{"lang":"en","type":"finder","value":"Hillel Twersky"}],"solutions":[{"lang":"en","value":"Upgrade to Docker Sandboxes 0.43.0 or later."}],"source":{"discovery":"EXTERNAL"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-08T19:29:31.275741Z","id":"CVE-2026-105452","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-08T19:29:41.004Z"}}]}}}