Paper/Archive/CVE-2026-53988

CVE-2026-53988

Finsys dockhand — Dockhand < 1.0.40 Unauthenticated Webhook Trigger via Git Webhook Endpoints

Description · from the CVE record

Dockhand before 1.0.40 contains an authentication bypass vulnerability in its git webhook endpoints that allows unauthenticated remote attackers to trigger arbitrary stack redeployments by exploiting a null webhook secret guard condition. Attackers can enumerate sequential stack IDs and send unsigned webhook requests to force git clone and docker compose operations, enabling denial of service or, when combined with write access to the tracked git branch, container escape and full host compromise via attacker-controlled docker-compose.yml with privileged bind mounts.

Affected

ProductAffectedFixed inSource
dockhand< 1.0.401.0.40CNA

Scores by source

VulnCheck (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
VulnCheck (CNA)9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

patchgithub.com/Finsys/dockhand/releases/tag/v1.0.40writeupvulncheck.com/advisories/dockhand-unauthenticated-webhook-trigger-via-git-webhook-endpoints