Blog
Insights, updates, and deep dives on AI agents, decentralized standards, and the future of HOL.
ScreenConnect client file runs hit CISA KEV
How to fix CVE-2026-84869: upgrade ScreenConnect to 26.6.5 or later, then reinstall host clients and update access agents
Self-managed GitLab: unauth commits API file read hits CISA KEV
How to fix CVE-2026-85706: upgrade GitLab to 19.1.8 / 19.2.6 / 19.3.2
HOL Guard
Your agent tried to ship your AWS keys
When an agent posts cloud keys with curl, Guard's command.data-protection Extension pauses it. Inbox shows Allow just this once or Keep blocked. Rehearse with hol-guard command test on a dummy path.
HOL Guard
Artifactory anonymous token chain hits CISA KEV
How to fix CVE-2026-42018 / CVE-2026-42016: upgrade self-hosted Artifactory past the anonymous-JWT and token-scope floors (prefer 7.111.21, 7.117.28, 7.125.20, 7.133.29, 7.146.38, or 7.161.20)
Hashgraph Online
CVE-2026-71416: Headroom WebSocket proxy spends your OpenAI key for any reachable browser
How to fix CVE-2026-71416: upgrade headroom-ai to 0.35.0
HOL Guard
CVE-2026-87776: Express compression leaks native memory until the process dies
How to fix CVE-2026-87776: upgrade compression to 1.8.2
HOL Guard
CVE-2026-57967: unauth Artemis CORE session steal and OpenWire queue delete
How to fix CVE-2026-57967: upgrade Apache Artemis / ActiveMQ Artemis to 2.57.0. Unauth CORE SESSION_REATTACH can steal a live session; OpenWire RemoveSubscriptionInfo can delete queues before auth.
HOL Guard
BREAKING: CVE-2026-0310 PAN-OS XML overflow gives unauth root on PA-Series
How to fix CVE-2026-0310: upgrade PAN-OS to the fixed hotfix for your train (for example 12.2.3, 12.1.10, 11.2.13-h2, 11.1.16-h2, 10.2.18-h10). Unauth XML to management web or dataplane can root PA-Series firewalls.
HOL Guard
CVE-2026-77774: Magento still needs APSB26-138 after the StyleSmuggler hotfix
How to fix CVE-2026-77774: apply Adobe APSB26-138 September Isolated patches (or *-2026-sep builds) after the StyleSmuggler hotfix, then verify with php vendor/bin/patch-status
HOL Guard
CVE-2026-75021: fastify-cli debug-host bind can expose Inspector RCE
How to fix CVE-2026-75021: upgrade fastify-cli to 8.0.1
HOL Guard
BREAKING: CVE-2026-75650 lets unauth callers run code on Adobe Commerce and Magento
How to fix CVE-2026-75650: apply Adobe hotfix VULN-39341 from repo.magento.com, then rotate the Commerce encryption key and every credential it protected
HOLBREAKING: CVE-2026-75650 is unauthenticated RCE in Adobe Commerce and Magento, already exploited
How to fix CVE-2026-75650: apply Adobe hotfix VULN-39341 for Adobe Commerce / Magento Open Source, then rotate the encryption key and all protected credentials
HOL
HOL Guard 3.0: Rust authority, extension-first controls, honest harness contracts
HOL Guard 3.0 puts PreToolUse on a version-matched Rust path with no Python semantic fallback, makes Local Extensions the capability vocabulary for managed-restrictive Control Sets, and keeps sync paused from meaning unprotected. Pin tip 3.0.113; do not pin yanked 3.0.0.
HOL GuardHOL Guard research desk
Security research for the AI agent era
Threat guides and evidence dossiers on prompt injection, MCP tool poisoning, slopsquatting, and the attacks shaping how teams ship code with agents.
Prompt injection
How hidden instructions trick coding agents into unsafe work.
Read the researchEvergreen guideMCP security
Tool poisoning, overbroad permissions, and shadow MCP servers.
Read the researchNew dossierSlopsquatting and package hallucination
Slopsquatting is the supply-chain attack in which attackers register package names that AI models reliably hallucinate; when an agent writes an import for a package that never existed, the attacker’s registered code installs instead.
Read the researchNew dossierMalicious extensions and marketplace fraud
Malicious extensions and marketplace fraud place trojanized editor extensions, plugins, or CI actions inside trusted marketplaces, harvesting source code, prompts, and credentials from every developer who installs them.
Read the research