SUSE SLES15 Security Update : php-composer2 (SUSE-SU-2026:4283-1)

high Nessus Plugin ID 349186

Synopsis

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

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:4283-1 advisory.

- CVE-2026-45793: GitHub OAuth tokens failing regex validation can cause credential disclosure (bsc#1271504).
- CVE-2026-59944: path traversal and link following issue can make files world readable and executable (bsc#1279898).
- CVE-2026-59946: package bin entries with path segments can cause unintended host file permission modifications (bsc#1271152).
- CVE-2026-59947: unsanitized URL credential handling in debug output within Composer can allow sensitive token disclosure (bsc#1271130).
- CVE-2026-59948: missing package name validation during dependency resolution in Composer can allow path traversal (bsc#1271123).
- CVE-2026-84361: arbitrary code execution via malicious Perforce source URL (bsc#1278257).

Changes for php-composer2:

- version update to 2.2.30:

* Fixed command injection via malicious Perforce url (GHSA-rvx4-ffvw-m9q3)
* Sanitize URL-embedded usernames/token in a few more places (#13045)
* Fixed matching of gitlab URLs to avoid possible credential leak to the wrong domain (#13042)

- fix a regression on s390x due last change (bsc#1271729).

- version update to 2.2.29:

* Validate package names (GHSA-499r-g7pc-vmp9)
* Validate package bin paths against path traversal (GHSA-gjfg-22fp-rrxx)
* Sanitize URL-embedded usernames/token in verbose output (GHSA-g6xq-892h-64w3)
* Only follow HTTP redirects from HTTP responses (#12948)
* Prevent phar metadata unserialization on unsafe PHP versions (#12946)
* Sanitize JSON parse errors in http responses to avoid leaking response body data (#12959)
* Fixed GitHub token validation to be even more relaxed (#12856)

- version update to 2.2.28.

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/1271123

https://bugzilla.suse.com/1271130

https://bugzilla.suse.com/1271152

https://bugzilla.suse.com/1271504

https://bugzilla.suse.com/1271729

https://bugzilla.suse.com/1278257

https://bugzilla.suse.com/1279898

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

https://www.suse.com/security/cve/CVE-2026-59944

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

https://www.suse.com/security/cve/CVE-2026-84361

http://www.nessus.org/u?faf51275

Plugin Details

Severity: High

ID: 349186

File Name: suse_SU-2026-4283-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/23/2026

Updated: 9/23/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.59

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

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

CVSS Score Source: CVE-2026-45793

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

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

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

CVSS v4

Risk Factor: High

Base Score: 7.7

Threat Score: 6.8

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-84361

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux: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: 9/22/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-45793, CVE-2026-59944, CVE-2026-59946, CVE-2026-59947, CVE-2026-59948, CVE-2026-84361

SuSE: SUSE-SU-2026:4283-1