CVE-2026-29179: October CMS: Editor Sub-Permission Bypass for Asset and Blueprint File Operations

low Affects october/system. Feed 2026.10.29.4, updated 2026-10-29; published 2026-04-21; advisory modified 2026-05-05.

October CMS: Editor Sub-Permission Bypass for Asset and Blueprint File Operations

Package: october/system Composer
Affected versions: >=4.0.0 and <4.1.16 or <3.7.16
Fixed in: 4.1.16, 3.7.16
Severity: low CVSS 3.3
Exploitation: not on CISA KEV · EPSS 0% (3.6th percentile)
Published: 2026-04-21
Source: osv.dev

References

CWE-863

NVD record october/system advisories

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.

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CVE-2021-32649 high October/System authenticated file write leads to remote code execution same package: october/system
CVE-2021-41126 high Deleted Admin Can Sign In to Admin Interface same package: october/system