Download Latest Version patchmon-agent-windows-amd64.exe (13.2 MB)
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patchmon-agent-freebsd-amd64 2026-10-17 12.3 MB
patchmon-agent-linux-amd64 2026-10-17 12.5 MB
sbom-source.cdx.json 2026-10-17 501.5 kB
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patchmon-agent-linux-arm 2026-10-17 11.9 MB
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patchmon-agent-windows-amd64.exe 2026-10-17 13.1 MB
patchmon-agent-windows-arm64.exe 2026-10-17 12.0 MB
patchmon-server-linux-386 2026-10-17 45.5 MB
patchmon-server-linux-amd64 2026-10-17 47.9 MB
patchmon-server-linux-arm 2026-10-17 45.4 MB
patchmon-server-linux-arm64 2026-10-17 45.2 MB
SHA256SUMS 2026-10-17 1.3 kB
README.md 2026-10-17 1.9 kB
Version 2.1.6 source code.tar.gz 2026-10-17 5.6 MB
Version 2.1.6 source code.zip 2026-10-17 6.3 MB
Totals: 19 Items   316.5 MB 0

A one-fix release: agents install and check in behind Traefik with the CrowdSec bouncer's AppSec enabled. This fix was listed in the 2.1.5 notes but missed that release.

Upgrading

:::bash
docker compose pull
docker compose up -d

No database or configuration changes. The fix is in the agent: existing hosts receive it through agent auto-update (on at Settings > Agent Updates) at their next restart or daily full report, and new installs get it from the upgraded server.

Fixes

Agent install failed with a 403 behind Traefik and CrowdSec. Behind Traefik with the CrowdSec bouncer's AppSec enabled, the installer's connectivity test failed with ping request failed with status 403 and the agent service was never created. The agent's check-in carried no body length over HTTP/2, which the bouncer blocks by default. The agent now always sends one. Until your agents are updated, setting crowdsecAppsecUnreadableBodyBlock: false on the bouncer middleware works around it.

Every change in this release

Issue PR Change
#1103 #1180 Agent install and check-in no longer fail with a 403 behind Traefik with the CrowdSec bouncer's AppSec over HTTP/2.

What is coming next

Bug fixes are tracked in GitHub milestones. Feature requests live on feedback.patchmon.net, where you can propose an idea, vote on existing ones, and see what has been accepted onto the roadmap.

Questions about this release

This release has its own thread under New Release Discussions. Open a new issue for a reproducible bug not already covered.

Source: README.md, updated 2026-10-17