Kirby: File upload permissions are not checked during processing of chunk data

Date Aug 31, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product Composer ยท getkirby/cms
CVE CVE-2026-71415
High-risk advisory CVE-2026-71415

Summary

Kirby: File upload permissions are not checked during processing of chunk data

Why it matters

GitHub has published a reviewed security advisory for getkirby/cms. Prioritize it with other application dependency updates.

Operator check

Check whether getkirby/cms is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 7.1.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.