What’s Vulnerable › Vulnerabilities

CVE-2026-53989: Dockhand < 1.0.36 Open Redirect via OIDC Initiation Endpoint

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-29 · updated 2026-09-30
• Weakness: CWE-601

Description

Dockhand before 1.0.36 contains an open redirect vulnerability in the OIDC initiation endpoint that allows unauthenticated remote attackers to redirect authenticated users to attacker-controlled sites by injecting an unvalidated redirect query parameter. Attackers can craft a malicious link targeting the OIDC callback flow to capture authorization codes via the Referer header and conduct follow-up credential phishing against any Dockhand account after a legitimate login.

Affected products

• Finsys dockhand: before 1.0.36 — fixed in 1.0.36

How to fix

Upgrade to a fixed version: Finsys dockhand 1.0.36. Check the vendor advisory for mitigations.

References

• https://github.com/Finsys/dockhand/releases/tag/v1.0.36
• https://www.vulncheck.com/advisories/dockhand-open-redirect-via-oidc-initiation-endpoint

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