ALAS2023-2026-1941: composer security update

ALAS2023-2026-1941, released July 20, 2026, fixes 3 CVEs in composer (version 2.10.2-1.amzn2023.0.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.0

Base score, 0 to 10

Highest EPSS

0.0014

3rd percentile

Priority of the 3 CVEs

Patch now 0
                                Urgent 0
                                High 1
                                Routine 2

Fixed package versions

Product	Release	Fixed in
composer	amzn 2023	2.10.2-1.amzn2023.0.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-59948	composer: Composer is a dependency Manager for the PHP language	7.0	0.0014	None reported
Routine	CVE-2026-59946	composer: Composer is a dependency Manager for the PHP language	6.1	0.0014	None reported
Routine	CVE-2026-59947	composer: Composer is a dependency Manager for the PHP language	4.7	0.0012	None reported

Also fixes CVE-2026-59948

SUSE-SU-2026:3105-1
php-composer2 on sles 15.6, sles 15.7
OPENSUSE-SU-2026:21520-1
php-composer2 on opensuse-leap 16.0
SUSE-SU-2026:23138-1
php-composer2 on sles 16.0
DEBIAN-CVE-2026-59948
composer on Debian 14

Vendor advisory

https://alas.aws.amazon.com/AL2023/ALAS-2026-1941.html

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