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CVE-2026-11393

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. To remediate this issue, users
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2eb79b1562650b5297e455712b42e0fdcc5ec496905ada3dfd23536e082a8623
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"AgentCore CLI","vendor":"AWS","versions":[{"lessThanOrEqual":"0.14.1","status":"affected","version":"0.4.0","versionType":"custom"},{"lessThanOrEqual":"1.0.0-preview.8","status":"affected","version":"0.3.0-preview.7.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"ACTIVE","valueDensity":"NOT_DEFINED","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","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpac…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"tags":["vendor-advisory"],"url":"https://aws.amazon.com/security/security-bulletins/2026-040-aws/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/references/3
{"tags":["patch"],"url":"https://github.com/aws/agentcore-cli/releases/tag/v0.14.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://github.com/aws/agentcore-cli/security/advisories/GHSA-m4x6-gwgp-4pm7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/references/4
{"tags":["patch"],"url":"https://www.npmjs.com/package/@aws/agentcore/v/0.14.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/references/1
{"tags":["patch"],"url":"https://www.npmjs.com/package/@aws/agentcore/v/1.0.0-preview.9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d32c127a631cde250f7bcc9030e3b87003b2cc0f8d81e6200165679146994eaf · sha256:3dfd62d67f778f5d… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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