CVE-2026-90807: nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following

Published Sep 14, 2026
·
Updated

A vulnerability was found in nanocoai NanoClaw up to 2.1.17. This issue affects the function forwardAttachedFiles of the file src/modules/agent-to-agent/agent-route.ts of the component Attachment Handler. The manipulation results in link following. The attack may be performed from remote. The exploit has been made public and could be used. The patch is identified as 3f9ed607b7e7a4872747295f75286f1c377d7c33. It is advisable to implement a patch to correct this issue.

Affected Software

1 affected component
nanocoai NanoClaw<=2.1.17

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade nanocoai NanoClaw to a version that resolves this vulnerability.

    Patch 3f9ed607b7e7a4872747295f75286f1c377d7c33

Event History

Sep 14, 2026
CVE Published
via MITRE·05:45 PM
Data Sourced
via MITRE·05:45 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:20 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Which NanoClaw versions are affected?

NanoClaw versions up to and including 2.1.17 are affected.

2

What level of access does an attacker need?

The attack can be performed remotely, but the severity vector indicates that low privileges are required. No user interaction is required.

3

Is exploit code available?

Yes. The exploit has been made public and could be used.

4

What should be done to remediate the issue?

Implement the patch identified by commit 3f9ed607b7e7a4872747295f75286f1c377d7c33.

Contact

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