2.2.27 - released 2026-04-14

View the release on GitHub

Changelog

• Security: Fixed command injection via malicious Perforce reference (GHSA-gqw4-4w2p-838q / CVE-2026-40261)
• Security: Fixed command injection via malicious Perforce repository definition (GHSA-wg36-wvj6-r67p / CVE-2026-40176)
• Security: Hardened git/hg/perforce/fossil identifier validation to ensure branch names starting with - do not cause issues (246f807b, 246f807b, 246f807b)
• Security: Fixed Perforce unescaped user input in queryP4User shell command (246f807b)
• Security: Fixed usage of insecure 3DES ciphers when ext-curl is missing (21ffece62)
• Fixed issue handling paths with = in them on Windows (#11568)

Full Changelog: https://github.com/composer/composer/compare/2.2.26...2.2.27