Go/github.com/coder/coder/v2 CVE-2026-55428: high 8.2, EPSS 0.40%
Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator in github.com/coder/coder
Action: Upgrade github.com/coder/coder/v2 to 2.29.17 or later.
go get github.com/coder/coder/v2@v2.29.17go get github.com/coder/coder/v2@v2.32.7go get github.com/coder/coder/v2@v2.33.8go get github.com/coder/coder/v2@v2.34.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.29.17 | - |
| 2.30.0 | 2.32.7 | - |
| 2.33.0 | 2.33.8 | - |
| 2.34.0 | 2.34.2 | - |
Fixed versions
| 2.29.17 | 2.32.7 | 2.33.8 | 2.34.2 |
Sources
- osv: GO-2026-5915#Go/github.com/coder/coder/v2
- nvd: CVE-2026-55428
- https://github.com/coder/coder/security/advisories/GHSA-wrq8-fcv5-8hvp
- https://github.com/coder/coder/pull/26144
CVE-2026-55428 · published · modified · JSON