Issue no. 42 · The security zine
Security is all about context.
Practical security thinking for systems that increasingly write, deploy, and operate themselves. Fewer buzzwords. Better evidence. Occasional memes.
CVE-2026-111190 ARForms ARForms★CVE-2026-126497 LibreCAD LibreCAD★CVE-2026-126499 Jellyfin Jellyfin★CVE-2026-126539 Directus Directus★CVE-2026-126541 WWBN AVideo★CVE-2026-126542 WWBN AVideo★CVE-2026-126543 WWBN AVideo★CVE-2026-18767 Beckhoff Automation TwinCAT TcRouter.sys★CVE-2026-18768 Beckhoff Automation TwinCAT TcRouter.sys★CVE-2026-18769 Beckhoff Automation TwinCAT TcRouter.sysPatch forecast · Nov 11
Known-exploited vulnerabilities are in the wild. Patch like it is raining.
Field report · sweep 03 · 79 contacts on the board
Advisory desk
Known exploitation already skipped the prioritization meeting.
ARForms ARForms
ARForms up to and including 7.2.4 lets unauthenticated attackers upload executable PHP files through a form's file field, leading to remote code execution. Fixed in 7.3.
LibreCAD LibreCAD
LibreCAD through 2.2.1.6 contains a heap-based out-of-bounds write in the bundled libdxfrw DWG reader that triggers when a crafted AC1018 file is opened.
Jellyfin Jellyfin
Jellyfin before 12.0 lets an unauthenticated attacker delete or move arbitrary directories through the virtual-folder endpoints while the setup wizard is still open.
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Latest transmissions
For the work after the scanner finishes yelling.
A field guide to agentic vulnerability management (with an actual off switch)
A practical operating model for introducing agents without confusing automation, authority, and accountability.
Finding vulnerabilities is getting cheaper. The backlog has noticed.
AI compresses the cost of discovery, but the expensive parts of vulnerability management still begin after the finding exists.
The vulnerability ticket is an interface, not a filing cabinet
A useful vulnerability record should help an owner decide and act—not merely preserve scanner output.
exhibit A: the backlog