CVE-2026-45139: CI4MS Fileeditor allows deletion and rename of critical application files due to missing extension allowlist on destructive operations

medium Affects ci4-cms-erp/ci4ms. Feed 2026.10.29.4, updated 2026-10-29; published 2026-05-18.

CI4MS Fileeditor allows deletion and rename of critical application files due to missing extension allowlist on destructive operations

Package: ci4-cms-erp/ci4ms Composer
Affected versions: <0.31.9.0
Fixed in: 0.31.9.0
Severity: medium CVSS 6.5
Exploitation: not on CISA KEV · EPSS 0% (25.2th percentile)
Published: 2026-05-18
Source: osv.dev

References

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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