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-2026-93962 Kamailio Kamailio★CVE-2026-93990 libexpat Expat★CVE-2026-93991 argoproj Argo Workflows★CVE-2026-93993 mistralai Mistral Vibe★CVE-2026-75885 Red Hat Red Hat OpenShift Container Platform 4★CVE-2026-81657 IBM Guardium Data Protection★CVE-2026-93603 vm2 vm2★CVE-2026-93605 vm2 vm2★CVE-2026-58704 Google Pixel★CVE-2026-76460 Cisco Identity Services EnginePatch forecast · Sep 20
Known-exploited vulnerabilities are in the wild. Patch like it is raining.
Field report · sweep 03 · 30 contacts on the board
Advisory desk
Known exploitation already skipped the prioritization meeting.
Kamailio Kamailio
Kamailio's CDP Diameter receiver has a heap-based buffer overflow in shm_malloc that can be triggered remotely with a crafted message. A public exploit exists. Fixed in 6.0.8 with upstream patch commits available for other branches.
libexpat Expat
Expat through 2.8.4 fails to validate low surrogates after high surrogates in UTF-16 input, letting lone high surrogates swallow following code units and hide markup from the parser. Fixed upstream via PR #1282.
argoproj Argo Workflows
Argo Workflows 4.1.0 through 4.1.3 skips cluster-scoped access review in ListArchivedWorkflows when the metadata.namespace selector uses the NotEquals operator, letting namespace-scoped users read archived workflows from other namespaces. Fixed in 4.1.4.
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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