CVE-2026-46354
Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft in github.com/coder/coder
9.1
CRITICAL
CVSS 3.1
Description
Coder: PKCS#7 signature bypass in Azure instance identity allows unauthenticated agent token theft in github.com/coder/coder
How to fix CVE-2026-46354
To remediate CVE-2026-46354, upgrade the affected package to a fixed version below.
- Go/github.com/coder/coder—no fix listed
- Go/github.com/coder/coder—no fix listed
- Go/github.com/coder/coder/v2—upgrade to 2.33.3 or later
- —upgrade to 2.24.5 or later
Is CVE-2026-46354 being exploited?
No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-46354.
Affected packages (4)
- from 0, <= 0.27.3
- from 0
- >= 2.33.0-rc.0, < 2.33.3
- from 0, < 2.24.5, >= 2.29.0, < 2.29.13, >= 2.30.0, < 2.30.8, >= 2.31.0, < 2.31.12, >= 2.32.0-rc.0, < 2.32.2, >= 2.33.0-rc.0, < 2.33.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |