CVE-2020-15246: Local File Inclusion by unauthenticated users

high Affects october/cms. Feed 2026.10.29.1, updated 2026-10-28; published 2020-11-23; advisory modified 2026-07-08.

Local File Inclusion by unauthenticated users

Package: october/cms Composer
Affected versions: >=1.0.421 and <1.0.469
Fixed in: 1.0.469
Severity: high CVSS 7.5
Exploitation: not on CISA KEV · EPSS 2% (77.1th percentile)
Published: 2020-11-23
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.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2017-1000119 high October CMS PHP Code Execution same package: october/cms
CVE-2020-5295 medium Local File read vulnerability in OctoberCMS same package: october/cms
CVE-2020-5296 medium Arbitrary File Deletion vulnerability in OctoberCMS same package: october/cms
CVE-2020-5297 low Upload whitelisted files to any directory in OctoberCMS same package: october/cms
CVE-2020-15247 medium Twig Sandbox Escape by authenticated users with access to editing CMS templates when safem same package: october/cms
CVE-2020-26231 medium Bypass of fix for CVE-2020-15247, Twig sandbox escape same package: october/cms