CVE-2026-111929: Auth Bypass (CVSS 5.3)

Description

Coder from 2.30.0 before 2.34.8 contains an authorization bypass vulnerability in the provisioner daemon DownloadFile gRPC handler that allows authenticated provisioner daemons to download other organizations' cached Terraform module archives. Attackers with an org-scoped provisioner key and a known file UUID can retrieve module source code exposing infrastructure topology or embedded secrets.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-863 Incorrect Authorization

References

Other References

https://github.com/coder/coder/security/advisories/GHSA-hrhj-hpwc-9hmc https://www.vulncheck.com/advisories/coder-2.30.0-before-2.34.8-cross-organization-file-disclosure-via-downloadfile-rpc

Frequently Asked Questions

What is CVE-2026-111929? +

Coder from 2.30.0 before 2.34.8 contains an authorization bypass vulnerability in the provisioner daemon DownloadFile gRPC handler that allows authenticated provisioner daemons to download other organizations' cached Terraform module archives. Attackers with an org-scoped provisioner key and a known file UUID can retrieve module source code exposing infrastructure topology or embedded secrets. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-111929? +

CVE-2026-111929 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2026-111929? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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