OPENSUSE-SU-2026:21520-1: php-composer2 security update

OPENSUSE-SU-2026:21520-1, released August 3, 2026, fixes 5 CVEs in php-composer2 (version 2.8.9-160000.4.1). None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

8.8

Base score, 0 to 10

Highest EPSS

0.0169

77th percentile

Priority of the 5 CVEs

Patch now 0
                                Urgent 0
                                High 3
                                Routine 2

Fixed package versions

Product	Release	Fixed in
php-composer2	opensuse-leap 16.0	2.8.9-160000.4.1

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-40261	composer: Composer is a dependency manager for PHP	8.8	0.0169	None reported
High	CVE-2026-40176	composer: Composer is a dependency manager for PHP	7.8	0.0105	None reported
High	CVE-2026-59948	composer: Composer is a dependency Manager for the PHP language	7.0	0.0014	None reported
Routine	CVE-2025-67746	composer: Composer is a dependency manager for PHP	4.3	0.0045	None reported
Routine	CVE-2026-59946	composer: Composer is a dependency Manager for the PHP language	6.1	0.0014	None reported

Also fixes CVE-2026-40261

SUSE-SU-2026:3105-1
php-composer2 on sles 15.6, sles 15.7
SUSE-SU-2026:23138-1
php-composer2 on sles 16.0
ALAS2023-2026-1625
composer on amzn 2023
DEBIAN-CVE-2026-40261
composer on Debian 12.15 (bookworm), Debian 13.5 (trixie), Debian 14

Vendor advisory

https://osv.dev/vulnerability/openSUSE-SU-2026:21520-1

For tools and AI agents

This page as data: JSON · Markdown

Link to this page

If this page saved you time, a link to it in your ticket, advisory or write-up helps others find it.

HTML

<a href="https://patchblox.com/security/fix/linux/opensuse-su-2026-21520-1">OPENSUSE-SU-2026:21520-1 on Patchblox Patch Radar</a>

Reusing the data? How to credit Patch Radar.

Which servers are still behind?

Patchblox compares the installed package on every Linux machine against the fixed version for its release, including machines reported through Azure Update Manager.

Get a demo

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.