{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-11393: Code injection via improper triple-quote escaping in AgentCore CLI Bedrock Agent import","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-11393","status":"final","version":"1","initial_release_date":"2026-06-08T18:38:03.960Z","current_release_date":"2026-06-08T19:45:58.413Z","revision_history":[{"date":"2026-06-08T18:38:03.960Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Improper neutralization of triple-quote characters during Python code generation in AgentCore CLI before v0.14.2 might allow an authenticated remote threat actor to execute arbitrary code on AWS AgentCore Runtime under the imported agent's IAM execution role and on the local environment of another user in the same AWS account, via a crafted collaborationInstruction stored on a Bedrock Agent collaborator and later processed by that other user during agent import.\n\n\n\nTo remediate this issue, users should upgrade to version 0.14.2.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-11393 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-11393"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-11393"},{"category":"external","summary":"github.com","url":"https://github.com/aws/agentcore-cli/releases/tag/v0.14.2"},{"category":"external","summary":"npmjs.com","url":"https://www.npmjs.com/package/@aws/agentcore/v/0.14.2"},{"category":"external","summary":"npmjs.com","url":"https://www.npmjs.com/package/@aws/agentcore/v/1.0.0-preview.9"},{"category":"external","summary":"aws.amazon.com","url":"https://aws.amazon.com/security/security-bulletins/2026-040-aws/"},{"category":"external","summary":"github.com","url":"https://github.com/aws/agentcore-cli/security/advisories/GHSA-m4x6-gwgp-4pm7"}]},"product_tree":{"branches":[{"category":"vendor","name":"AWS","branches":[{"category":"product_name","name":"AgentCore CLI","branches":[{"category":"product_version_range","name":">=0.4.0 <=0.14.1","product":{"name":"AWS AgentCore CLI >=0.4.0 <=0.14.1","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:aws:agentcore_cli:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=0.3.0-preview.7.0 <=1.0.0-preview.8","product":{"name":"AWS AgentCore CLI >=0.3.0-preview.7.0 <=1.0.0-preview.8","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:aws:agentcore_cli:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-11393","title":"Code injection via improper triple-quote escaping in AgentCore CLI Bedrock Agent import","notes":[{"category":"description","text":"Improper neutralization of triple-quote characters during Python code generation in AgentCore CLI before v0.14.2 might allow an authenticated remote threat actor to execute arbitrary code on AWS AgentCore Runtime under the imported agent's IAM execution role and on the local environment of another user in the same AWS account, via a crafted collaborationInstruction stored on a Bedrock Agent collaborator and later processed by that other user during agent import.\n\n\n\nTo remediate this issue, users should upgrade to version 0.14.2.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","baseScore":8.8,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2"]}]}]}