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CVE-2026-90807

nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following

MEDIUM
6.3
CVSS Score
Published: September 14, 2026 at 05:45 PM UTC
Updated: September 16, 2026 at 05:18 PM UTC
1 product affected across 1 vendorNanoClaw

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.4%
SSVC
PoC

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403309
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403309/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90807
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/922841
ExploitIssue Tracking
Source: cverecord
https://github.com/nanocoai/nanoclaw/issues/2828
Patch
Source: cverecord
https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33
Product
Source: cverecord
https://github.com/nanocoai/nanoclaw/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-59

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