Vulnerability in Coder

CVE-2026-55430

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the workspace app proxy resolves the target app from `httpapi.RequestHost()` which prefers the `X-…

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N.

Affected products

  • Coder — versions >= 2.34.0, < 2.34.2, >= 2.33.0, < 2.33.8, >= 2.30.0, < 2.32.7

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-55430?
CVE-2026-55430 is a medium-severity vulnerability in Coder, classified under Insufficient Verification of Data Authenticity. CVSS score: 5.8/10. Published 2026-07-08.
How severe is CVE-2026-55430?
Medium severity. CVSS v3 base score is 5.8 out of 10.