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-2026-103764 kvcache-ai Mooncake transfer engine★CVE-2026-103765 kvcache-ai Mooncake★CVE-2026-86345 Red Hat 389 Directory Server (389-ds-base)★CVE-2023-54404 Zod Zod★CVE-2026-103246 n8n n8n★CVE-2026-103250 n8n n8n★CVE-2026-103262 Tornado Tornado★CVE-2026-103271 Ghost Ghost★CVE-2026-103283 Ghost Ghost★CVE-2026-12540 Red Hat ForemanPatch forecast · Oct 2
Known-exploited vulnerabilities are in the wild. Patch like it is raining.
Field report · sweep 03 · 48 contacts on the board
Advisory desk
Known exploitation already skipped the prioritization meeting.
kvcache-ai Mooncake transfer engine
Mooncake transfer engine before 0.3.13 trusts pointer values in TCP transport session headers, letting unauthenticated attackers read or overwrite process memory, including KV cache contents.
kvcache-ai Mooncake
Mooncake through 0.3.13.post1 exposes an unauthenticated /metadata handler that lets attackers rewrite transfer engine metadata, poison segment descriptors, and redirect KV cache transfers.
Red Hat 389 Directory Server (389-ds-base)
389-ds-base keeps plaintext bytes buffered across a StartTLS upgrade, letting an on-path attacker inject an LDAP message whose response a client mistakes for a successful bind.
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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