CVE-2026-126308
Last modified
CVE-2026-126308 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. The web dashboard in Coder 2.24.0 before 2.29.23, 2.30.0 before 2.34.14, 2.35.0 before 2.36.9, 2.37.0 before 2.37.6, and 2.38.0 before 2.38.2 replaces the $SESSION_TOKEN placeholder in external app URLs with a full-access API key without checking whether the app belongs to a sub-agent. Code running in a workspace can register a disguised sub-agent app with a custom protocol URL, so the owner's click sends their API key to an attacker-chosen destination..
Description
The web dashboard in Coder 2.24.0 before 2.29.23, 2.30.0 before 2.34.14, 2.35.0 before 2.36.9, 2.37.0 before 2.37.6, and 2.38.0 before 2.38.2 replaces the $SESSION_TOKEN placeholder in external app URLs with a full-access API key without checking whether the app belongs to a sub-agent. Code running in a workspace can register a disguised sub-agent app with a custom protocol URL, so the owner's click sends their API key to an attacker-chosen destination.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| coder | coder | >= 2.38.0, < 2.38.2 |
| coder | coder | >= 2.37.0, < 2.37.6 |
| coder | coder | >= 2.36.0, < 2.36.9 |
| coder | coder | >= 2.30.0, < 2.34.14 |
| coder | coder | >= 2.24.0, < 2.29.23 |
| coder | coder | >= 2.35.0, < 2.36.0 |
References
Timeline
- Published
- Last Modified
- Status
- Received
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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