What is CVE-2023-5166?

CVE-2023-5166 is a high-severity vulnerability in Docker Desktop, classified under Information Disclosure. CVSS score: 8.0/10. Published 2023-09-25.

How severe is CVE-2023-5166?

High severity. CVSS v3 base score is 8.0 out of 10.

Information disclosure in Docker Desktop

CVE-2023-5166

Docker Desktop before 4.23.0 allows Access Token theft via a crafted extension icon URL. This issue affects Docker Desktop: before 4.23.0.

Vulnerability class: Information Disclosure

Published 2023-09-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.6th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.008 · change: +0.001

Affected products

Docker Desktop
Docker Inc. Desktop — versions 0

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

docs.docker.com/desktop/release-notes/ (release-notes, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-5166?: CVE-2023-5166 is a high-severity vulnerability in Docker Desktop, classified under Information Disclosure. CVSS score: 8.0/10. Published 2023-09-25.
How severe is CVE-2023-5166?: High severity. CVSS v3 base score is 8.0 out of 10.