CVE-2026-84361

A flaw was found in Composer. A malicious dependency package from a custom Composer repository or an untrusted composer.lock file could exploit a vulnerability in how Composer handles Perforce source URLs. By setting source.type to perforce and source.url to an rsh: or jsh: P4PORT value, an...

CVE-2026-84361 Composer: Perforce source URL permits P4PORT `rsh:` command execution

Composer is a dependency Manager for the PHP language. From 1.0 until 2.2.30 and 2.10.3, a malicious dependency package from a custom Composer repository or an untrusted composer.lock file could set source.type to perforce and source.url to an rsh: or jsh: P4PORT value. When the Perforce p4 clien...

SUSE-SU-2026:1970-1 Security update for php-composer2

This update for php-composer2 fixes the following issues - CVE-2026-40176: command injection via malicious Perforce repository definition bsc1262254. - CVE-2026-40261: command injection via malicious Perforce source reference/url bsc1262255. Changes for php-composer2: - version update to 2.2.27...

SUSE-SU-2026:1784-1 Security update for php-composer2

This update for php-composer2 fixes the following issues: - CVE-2026-40176: arbitrary command injection via malicious Perforce repository definition bsc1262254. - CVE-2026-40261: arbitrary command injection via malicious Perforce source reference/url bsc1262255...

OPENSUSE-SU-2026:20670-1 Security update for php-composer2

This update for php-composer2 fixes the following issues: - CVE-2025-67746: ANSI control characters injection in terminal output of various Composer commands via attacker controlled remote sources bsc1255768. - CVE-2026-40176: arbitrary command injection via malicious Perforce repository definiti...

UBUNTU-CVE-2026-40261

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

CVE-2026-40261 Composer has Command Injection via Malicious Perforce Reference

Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain a command injection vulnerability in the Perforce::syncCodeBase method, which appends the $sourceReference parameter to a shell command without proper escaping, and additionally in the...

GHSA-GQW4-4W2P-838Q Composer has a command injection via malicious perforce reference

Impact The Perforce::syncCodeBase method appended the $sourceReference parameter to a shell command without proper escaping, allowing an attacker to inject arbitrary commands through a crafted source reference containing shell metacharacters. Further as in GHSA-wg36-wvj6-r67p / CVE-2026-40176 the...