CVE-2026-7191

HIGH EPSS 34.7%

Published Apr 27, 20262mo ago · Modified Jun 17, 20262w ago

8.6 CVSS 4.0

High

Published Apr 27, 2026 2mo ago

Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score

8.6

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required High

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

34.7% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-94 Improper Control of Generation of Code (Code Injection) Injection

References 2

aws.amazon.com https://aws.amazon.com/security/security-bulletins/2026-020-aws/
github.com https://github.com/aws-solutions/qnabot-on-aws/releases/tag/v7.3.0

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.