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CVE-2026-25510: CI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File Editor

critical Affects ci4-cms-erp/ci4ms. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

CI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File Editor

Package
ci4-cms-erp/ci4ms Composer
Affected versions
<0.28.5.0
Fixed in
0.28.5.0
Severity
critical  CVSS 9.9
Exploitation
not on CISA KEV · EPSS 1% (59.8th percentile)
Published
2026-02-02
Source
osv.dev

References

CWE-434CWE-94
NVD recordci4-cms-erp/ci4ms advisories

Am I affected?

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# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
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