What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-14 · updated 2026-09-16
• Weakness: CWE-59

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 products

• nanocoai NanoClaw: 2.1.0, 2.1.1, 2.1.2, 2.1.3, 2.1.4, 2.1.5 (+12)

References

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

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