CVE-2026-6911CWE-347

Authentication Bypass via Missing JWT Signature Verification in AWS Ops Wheel

Critical · published April 24, 2026

CVSS v4.0
9.3
EPSS
0%
Percentile
35.4
In the wild
Unconfirmed
What it is

Missing JWT signature verification in AWS Ops Wheel allows unauthenticated attackers to forge JWT tokens and gain unintended administrative access to the application, including the ability to read, modify, and delete all application data across tenants and manage Cognito user accounts within the deployment's User Pool, via a crafted JWT sent to the API Gateway endpoint.

To remediate this issue, users should redeploy from the updated repository and ensure any forked or derivative code is patched to incorporate the new fixes.

The record
Technical detail
CVSS v4.0
9.3 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
EPSS
0.00422 · 35.4th percentile
Weakness
CWE-347 · Improper Verification of Cryptographic Signature
Published
2026-04-24T16:08Z
EPSS history
Timeline
  • 24 APR 16:08Z
    Authentication Bypass via Missing JWT Signature Verification in AWS Ops Wheel
    cvelistv5