CVE-2026-79916 MaxKB AWS Bedrock model credential injection leads to remote code execution

Critical 9.1 Published Updated

Authenticated users can inject AWS credentials to execute arbitrary commands as root via botocore credential_process.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-79916?

CVE-2026-79916 is a critical command injection vulnerability in 1Panel-dev MaxKB, published on 21 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-78

Which versions are affected by CVE-2026-79916?

How do I fix CVE-2026-79916?

No fix has been published for CVE-2026-79916 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-79916 being exploited?

There is no known exploitation of CVE-2026-79916 in the wild and no public exploit code.

Sources

Also known as GHSA-2324-7xjr-9qxg.

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