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CVE-2026-53988— Dockhand < 1.0.40 Unauthenticated Webhook Trigger via Git Webhook Endpoints

Quick assessment

Affected
Finsys dockhand
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 enumera

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-53988

Vulnerability Information

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Vulnerability Title
Dockhand < 1.0.40 Unauthenticated Webhook Trigger via Git Webhook Endpoints
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Finsys dockhand 0 ~ 1.0.40 -

II. Public POCs for CVE-2026-53988

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III. Intelligence Information for CVE-2026-53988

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Other References for CVE-2026-53988 (2)

IV. Related Vulnerabilities

Same product: dockhand
Same vendor: Finsys
Same weakness: CWE-306

V. Comments for CVE-2026-53988

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