---
id: CVE-2026-90807
title: A vulnerability was found in nanocoai NanoClaw up to 2.1.17
summary: >-
  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…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-59
vendor: nanocoai
product: NanoClaw
affected:
  - NanoClaw 2.1.0
  - NanoClaw 2.1.1
  - NanoClaw 2.1.2
  - NanoClaw 2.1.3
  - NanoClaw 2.1.4
  - NanoClaw 2.1.5
  - NanoClaw 2.1.6
  - NanoClaw 2.1.7
  - NanoClaw 2.1.8
  - NanoClaw 2.1.9
  - NanoClaw 2.1.10
  - NanoClaw 2.1.11
  - NanoClaw 2.1.12
  - NanoClaw 2.1.13
  - NanoClaw 2.1.14
  - NanoClaw 2.1.15
  - NanoClaw 2.1.16
  - NanoClaw 2.1.17
published: '2026-09-14'
updated: '2026-09-16'
sourceUpdated: '2026-09-16T17:18:17.493'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90807'
references:
  - url: 'https://github.com/nanocoai/nanoclaw/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33
    label: cna@vuldb.com
  - url: 'https://github.com/nanocoai/nanoclaw/issues/2828'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90807'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/922841'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403309'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403309/cti'
    label: cna@vuldb.com
tags:
  - nvd
  - cve.org
  - exploit-available
epss: 0.00425
epssPercentile: 0.34112
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-16T15:58:17.754435Z'
ingestedAt: '2026-09-14T19:13:23.462Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.