Kai Ole Hartwig
Freiberuflicher DevSecOps-Berater · OnlyOle Consulting
Programmiert seit 2002 – autodidaktisch gelernt, 2012 mit KO-Web selbständig gemacht. Über 100 Projekte, Fokus auf Security, Performance, Automatisierung und Qualität. Heute freiberuflich: DevSecOps-Beratung, Schulungen und Softwareentwicklung.
Posts by this author
- 3 July 2026
TYPO3 14.3.1 and 13.4.29 — maintenance releases with memory limit lift and drag-and-drop fix
What 14.3.1 and 13.4.29 change, which bugs matter for operators, and in what order you should roll out.
- 3 July 2026
When the image builder accepts the wrong letter: three flaws in apko (CVE-2026-42574 / -42575 / -42576) and what Wolfi build pipelines need today
Three vulnerabilities in apko, disclosed on 9 May 2026, push the boundaries of trust in the Wolfi/Chainguard build pipeline: path traversal, a missing hash comparison against the signed index, and a type-assert panic. Patch directly to 1.2.7, plus a dedicated SBOM verification stage as a structural response.
- 20 May 2026
What makes a platform AI-ready — four layers beneath the Cloudflare score
Why classical SEO routines only half-cover layer 2 and miss layers 1, 3 and 4 entirely — plus an operator decision block for the right build order.