CVE-2026-46696: October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls

low Affects october/system. Feed 2026.10.29.1, updated 2026-10-28; published 2026-09-14.

October CMS: Safe Mode Sandbox Bypass via Session Store and Forwarded Builder Calls

Package: october/system Composer
Affected versions: <3.7.17 or >=4.0.0 and <4.2.23
Fixed in: 3.7.17, 4.2.23
Severity: low CVSS 3.3
Exploitation: not on CISA KEV · EPSS 0% (19.7th percentile)
Published: 2026-09-14
Source: osv.dev

References

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