CVE-2026-73553

ecs-service-connect-agent: Fixed an authorization bypass when ignore_path_parameters_in_path_matching was enabled, where a path such as /admin;x...

CVE-2026-73553 is fixed in ecs-service-connect-agent on 1 platform by ALAS2023-2026-2149 (version v1.39.1.0-1.amzn2023), released September 14, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
n/a
important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0051
43rd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
ecs-service-connect-agent · amzn 2023 v1.39.1.0-1.amzn2023 ALAS2023-2026-2149 Sep 14, 2026

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