---
title: "CVE-2026-103958: Loom for AWS - Server-Side Request Forgery"
description: "Loom for AWS < 1.7.0 contains a server-side request forgery caused by improper validation of connection addresses in tool server and remote agent handling, letting authenticated remote users obtain container role credentials and read internal network responses, exploit requires authentication."
url: https://panop.io/threat-heartbeat/CVE-2026-103958/
---

# CVE-2026-103958 Loom for AWS - Server-Side Request Forgery

Loom for AWS < 1.7.0 contains a server-side request forgery caused by improper validation of connection addresses in tool server and remote agent handling, letting authenticated remote users obtain container role credentials and read internal network responses, exploit requires authentication.

CVSS base score 7.6 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Required

EPSS

0.33% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-103958)

## Details

Type

Server-Side Request Forgery

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N

Published

2 October 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Upgrade to version 1.7.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-103958](https://nvd.nist.gov/vuln/detail/CVE-2026-103958)
- [https://aws.amazon.com/security/security-bulletins/2026-124-aws/](https://aws.amazon.com/security/security-bulletins/2026-124-aws/)
- [https://github.com/awslabs/loom/releases/tag/v1.7.0](https://github.com/awslabs/loom/releases/tag/v1.7.0)
- [https://github.com/awslabs/loom/security/advisories/GHSA-w6g6-h8pv-6mc7](https://github.com/awslabs/loom/security/advisories/GHSA-w6g6-h8pv-6mc7)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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