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openSUSE 16 Security Update : php-composer2 (openSUSE-SU-2026:21520-1)

medium Nessus Plugin ID 332103

Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21520-1 advisory.

 - CVE-2026-45793: Github Actions issued `GITHUB_TOKEN` disclosure in GitHub Actions logs (bsc#1271504).
 - CVE-2026-59946: path traversal in package `bin` field lets dependencies `chmod` arbitrary host files (bsc#1271151).
 - CVE-2026-59947: URL-embedded HTTP-Basic username leaks to verbose logs (bsc#1271129).
 - CVE-2026-59948: arbitrary file write outside `vendor`directory via malicious transitive package name (bsc#1271122).

 Changes for php-composer2:

 - fix byte-swapped signature on s390x can cause broken or unsupported signature (bsc#1271729).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected php-composer2 package.

See Also

https://bugzilla.suse.com/1271122

https://bugzilla.suse.com/1271129

https://bugzilla.suse.com/1271151

https://bugzilla.suse.com/1271504

https://bugzilla.suse.com/1271729

https://www.suse.com/security/cve/CVE-2025-67746

https://www.suse.com/security/cve/CVE-2026-40176

https://www.suse.com/security/cve/CVE-2026-40261

https://www.suse.com/security/cve/CVE-2026-45793

https://www.suse.com/security/cve/CVE-2026-59946

https://www.suse.com/security/cve/CVE-2026-59947

https://www.suse.com/security/cve/CVE-2026-59948

Plugin Details

Severity: Medium

ID: 332103

File Name: openSUSE-2026-21520-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/5/2026

Updated: 8/5/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.6

Percentile: 98.46

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

CVSS Score Source: CVE-2025-67746

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:novell:opensuse:16.0, p-cpe:/a:novell:opensuse:php-composer2

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/3/2026

Vulnerability Publication Date: 12/30/2025

Reference Information

CVE: CVE-2025-67746, CVE-2026-40176, CVE-2026-40261, CVE-2026-45793, CVE-2026-59946, CVE-2026-59947, CVE-2026-59948