CVE-2026-73552

Public on 2026-09-08

Modified on 2026-09-08

Description

Fixed an issue where safe_regex matching treated accepted non-UTF-8 HTTP header bytes as a non-match; in RBAC policies using negative matching this could fail open and allow access to a protected resource.

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			Pending Fix
Amazon Linux 2023	ecs-service-connect-agent			Pending Fix

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:H/I:N/A:N

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-73552 Mitre: CVE-2026-73552