CVE-2026-103958

High

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.

SeverityHigh

CVSS7.6

Exploit probability—

Product

Aws Loom

PublishedOct 2, 2026

First seenOct 2, 2026

Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Update

AWS loom1.7.0 or later

Patches

github.com/awslabs/loom/releases/tag/v1.7.0

Vendor advisories

aws.amazon.com/security/security-bulletins/2026-124-aws/

Affected products

Product	Affected versions	Fixed in
AWS loom	v < 1.7.0	1.7.0

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