Impact
This is an additional fix for https://github.com/craftcms/cms/security/advisories/GHSA-4w8r-3xrw-v25g
This is a high-impact, low-complexity attack vector. To mitigate the issue, users running Craft installations before the fixed versions are encouraged to update to at least that version.
Details
https://craftcms.com/knowledge-base/craft-cms-cve-2025-32432
References
https://github.com/craftcms/cms/commit/e1c85441fa47eeb7c688c2053f25419bc0547b47
https://github.com/craftcms/cms/blob/3.x/CHANGELOG.md#3915---2025-04-10-critical https://github.com/craftcms/cms/blob/4.x/CHANGELOG.md#41415---2025-04-10-critical https://github.com/craftcms/cms/blob/5.x/CHANGELOG.md#5617---2025-04-10-critical
https://sensepost.com/blog/2025/investigating-an-in-the-wild-campaign-using-rce-in-craftcms/
Credits
Credit to Orange Cyberdefense for discovering a reporting this bug.
Impact You are affected if your php.ini configuration has registerargcargv enabled.
Patches Update to 3.9.14, 4.13.2, or 5.5.2.
Workarounds If you can't upgrade yet, and registerargcargv is enabled, you can disable it to mitigate the issue.