CVE-2026-121448

High

Description

Dockhand before 1.0.54 contains a path traversal vulnerability that allows authenticated users to read, overwrite, and delete .env files outside the stacks root by double-encoding the stack name. Attackers can send %252e%252e sequences to /api/stacks/[name]/env/raw to disclose cross-environment secrets, write into protected directories, or poison deployment variables.

SeverityHigh

CVSS8.3

Exploit probability—

ProductFinsys Dockhand

PublishedNov 3, 2026

First seenNov 4, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

Finsys dockhand1.0.54 or later

Vendor advisories

github.com/Finsys/dockhand/security/advisories/GHSA-q2vc-4qcx-2vm6

Affected products

Product	Affected versions	Fixed in
Finsys dockhand	v < 1.0.54	1.0.54

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