CVE-2026-55437
Coder vulnerable to stored HTML injection via workspace agent logs in AgentLogLine component in github.com/coder/coder
5.4
MEDIUM
CVSS 3.1
EPSS 0.32%
Description
Coder vulnerable to stored HTML injection via workspace agent logs in AgentLogLine component in github.com/coder/coder
How to fix CVE-2026-55437
To remediate CVE-2026-55437, upgrade the affected package to a fixed version below.
- Go/github.com/coder/coder—no fix listed
- —upgrade to 2.34.2 or later
- —upgrade to 2.29.17 or later
Is CVE-2026-55437 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0
- >= 2.34.0, < 2.34.2
- from 0, < 2.29.17, >= 2.30.0, < 2.32.7, >= 2.33.0, < 2.33.8, >= 2.34.0, < 2.34.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |