CVE-2026-90807

MEDIUM 6.3

nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-59
Vendor	nanocoai
Product	nanoclaw
Published	Sep 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

nanocoai / NanoClaw

2.1.0 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 2.1.9 2.1.10 2.1.11 2.1.12 2.1.13 2.1.14 2.1.15 2.1.16 2.1.17

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403309 vuldb.com: https://vuldb.com/vuln/403309/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90807 vuldb.com: https://vuldb.com/submit/922841 github.com: https://github.com/nanocoai/nanoclaw/issues/2828 github.com: https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33 github.com: https://github.com/nanocoai/nanoclaw/

Credits

🔍 Eric-a (VulDB User)