CVE-2026-105811

Authorization bypass through a user-controlled key in the optional Amazon Q Business Lambda hook sample q-business-lambda-hook https://github.com/aws-solutions-library-samples/qnabot-on-aws/blob/main/source/docs/lambdahooks/README.md , available with QnABot on AWS versions 7.0.0 through 7.4.5,...

EUVD-2026-93985

Authorization bypass through a user-controlled key in the optional Amazon Q Business Lambda hook sample q-business-lambda-hook https://github.com/aws-solutions-library-samples/qnabot-on-aws/blob/main/source/docs/lambdahooks/README.md , available with QnABot on AWS versions 7.0.0 through 7.4.5,...

CVE-2026-105811

The QnABot on AWS (versions 7.0.0 through 7.4.5) contains an authorization bypass vulnerability in the optional Amazon Q Business Lambda hook sample (q-business-lambda-hook). This issue stems from a user-controlled key and could allow an authenticated remote user to read arbitrary Amazon S3 objec...