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Vulnerability record · CVE-2026-79916 · published 21 September 2026

CVE-2026-79916: OS command injection vulnerability

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.

9.1 CVSS 3.1 Critical EPSS 0.45% · top 63.8% CWE-78 · OS command injection Deferred
9.1CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
22 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L

References

LinkTags
https://github.com/1Panel-dev/MaxKB/commit/a1e413d196004421ab0953ee0baa13d4ca0fe3c4
https://github.com/1Panel-dev/MaxKB/pull/6418
https://github.com/1Panel-dev/MaxKB/releases/tag/v2.10.5-lts
https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-2324-7xjr-9qxg

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Source: NIST National Vulnerability Database (record CVE-2026-79916), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.