CVE-2026-73553

Public on 2026-09-08
Modified on 2026-09-08
Description
Fixed an authorization bypass when ignore_path_parameters_in_path_matching was enabled, where a path such as /admin;x could bypass an RBAC policy for /admin while still reaching the protected route.
Severity
Important severity
Important
See what this means
CVSS v3 Base Score
7.5
See breakdown

Affected Packages

Platform Package Release Date Advisory Status
Amazon Linux 2 - Ecs Extra ecs-service-connect-agent 2026-09-14 ALAS2ECS-2026-137 Fixed
Amazon Linux 2023 ecs-service-connect-agent 2026-09-14 ALAS2023-2026-2149 Fixed

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-73553 Mitre: CVE-2026-73553