{"id":"CVE-2026-119148","title":"Unvalidated parent-supplied AWS Region in AWS aws-nitro-enclaves-sdk-c allows impersonation of the enclave's AWS KMS endpoint","summary":"Incomplete string validation in AWS aws-nitro-enclaves-sdk-c before 0.4.6 may allow a third party to impersonate the AWS KMS endpoint.\n\n\n\nTo remediate this issue, users should rebuild any custom enclave image against aws-nitro-enclaves-s…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N","cvssSource":"cna","cwe":["CWE-807"],"vendor":"AWS","product":"aws-nitro-enclaves-sdk-c","affected":["aws-nitro-enclaves-sdk-c < 0.4.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-30T17:36:54.470225Z"},"published":"2026-10-30","updated":"2026-10-30","sourceUpdated":"2026-10-30T18:08:59.904Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-119148","references":[{"url":"https://github.com/aws/aws-nitro-enclaves-sdk-c/releases/tag/v0.4.6"},{"url":"https://aws.amazon.com/security/security-bulletins/2026-157-aws/"},{"url":"https://github.com/aws/aws-nitro-enclaves-sdk-c/security/advisories/GHSA-f6f6-6f88-r57j"}],"tags":["cve.org"],"epss":0.00174,"epssPercentile":0.06886,"ingestedAt":"2026-11-05T16:24:31.314Z","slug":"CVE-2026-119148","body":"## Overview\n\nIncomplete string validation in AWS aws-nitro-enclaves-sdk-c before 0.4.6 may allow a third party to impersonate the AWS KMS endpoint.\n\n\n\nTo remediate this issue, users should rebuild any custom enclave image against aws-nitro-enclaves-sdk-c 0.4.6.\n\n## Affected\n\n- `aws-nitro-enclaves-sdk-c < 0.4.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}