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CVE-2026-79916
MaxKB AWS Bedrock model credential injection leads to remote code execution
Published 21 Sep 2026 • Updated 21 Sep 2026
Severity: CRITICAL
9.1
CVSS Base Score
Description
MaxKB is an open-source AI assistant for enterprise. Prior to 2.10.5-lts, authenticated workspace members can inject control characters into AWS Bedrock access_key_id and secret_access_key fields that _update_aws_credentials writes to /root/.aws/credentials without safe parsing. An attacker can append a new AWS profile containing credential_process, then select that profile during a later model-validation request so botocore executes an attacker-controlled command as root. This vulnerability is fixed in 2.10.5-lts.
Affected products (1)
- 1Panel-dev MaxKB
Problem types
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
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