# CVE-2026-126319: Dockhand before 1.0.55 Arbitrary File Read via Stack Adoption Compose Path

Status: published. Published: 2026-11-13. Updated: 2026-11-13.

Dockhand before 1.0.55 contains an arbitrary file read vulnerability that allows authenticated users with stacks:create permission to read sensitive files by supplying an arbitrary composePath during stack adoption. Attackers can adopt a stack pointing to the encryption key, SQLite database, or /proc/self/environ and read it via the compose endpoint to obtain all stored credentials.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Finsys / dockhand: ≥ 0; < 1.0.55 (affected, semver); 1.0.55 (unaffected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 7.1 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; source: CNA: VulnCheck

- CVSS 4.0: 7.1 (high); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: disclosure@vulncheck.com

- CVSS 3.1: 6.5 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N; source: NVD: disclosure@vulncheck.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-22

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/Finsys/dockhand/security/advisories/GHSA-q8p8-fhph-f9mj (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/dockhand-before-1.0.55-arbitrary-file-read-via-stack-adoption-compose-path (CNA: VulnCheck; third-party-advisory)

- https://github.com/Finsys/dockhand/security/advisories/GHSA-q8p8-fhph-f9mj (disclosure@vulncheck.com)

- https://www.vulncheck.com/advisories/dockhand-before-1.0.55-arbitrary-file-read-via-stack-adoption-compose-path (disclosure@vulncheck.com)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-126319; retrieved 2026-11-13; source updated 2026-11-13

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-126319; retrieved 2026-11-13; source updated 2026-11-13

Revision: b1c0707eb821d454093571583b0a606257d737d4fc5fcbd540945d708a5d39ac

Canonical: https://y2.dev/cve/CVE-2026-126319

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