CVE-2026-103958
Server-side request forgery in the tool server and remote agent connection handling in Loom for AWS
- State
- Published
- Severity
- 8.3 High
- Published
- Oct 2, 2026
- Updated
- Oct 9, 2026
- Reserved
- Oct 1, 2026
Description
Server-side request forgery in the tool server and remote agent connection handling in Loom for AWS before 1.7.0 might allow an authenticated remote user to obtain the credentials of the application's own container role and to read responses from arbitrary internal network locations, via a crafted connection address supplied when registering, updating or testing a tool server or remote agent.
To remediate this issue, users should upgrade to version 1.7.0 or later.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.3 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N | AMZN |
| 3.1 | 7.6 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N | AMZN |
Weaknesses
- CWE-918 Server-side request forgery
Affected Products
| Product | Versions |
|---|---|
loomAWS |
|
References
- https://github.com/awslabs/loom/releases/tag/v1.7.0release-notespatch
- https://aws.amazon.com/security/security-bulletins/2026-124-aws/vendor-advisory
- https://github.com/awslabs/loom/security/advisories/GHSA-w6g6-h8pv-6mc7third-party-advisory
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