PT-2026-35526 · Aws · Qnabot On Aws

Endor Labs · Published 2026-04-27 · Updated 2026-04-27 · CVE-2026-7191

Mitre

CVSS v3.1

7.2

High

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

Improper use of the static-eval npm package in the open source solution qnabot-on-aws versions 7.2.4 and earlier may allow an authenticated administrator to execute arbitrary code within the fulfillment Lambda execution context by injecting a crafted conditional chaining expression via the Content Designer interface, which bypasses the intended expression sandbox through JavaScript prototype manipulation. This may grant direct access to backend resources (Lambda environment variables, OpenSearch indices, S3 objects, DynamoDB tables) that are not exposed through normal administrative interfaces.

We recommend you upgrade to version 7.3.0 or above.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-7191

Affected Products

Qnabot On Aws

References · 5

• https://github.com/aws-solutions/qnabot-on-aws/releases/tag/v7.3.0 · Patch
• https://aws.amazon.com/security/security-bulletins/2026-020-aws · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-7191 · Security Note
• https://twitter.com/KaitanSecurity/status/2048877352013209630 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2048891320240898450 · Twitter Post