CVE-2026-90807CWE-59

CVE-2026-90807

Medium · published September 14, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
35.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00425 · 35.7th percentile
Weakness
CWE-59 · Improper Link Resolution Before File Access ('Link Following')
Published
2026-09-14T22:20Z
References (7)
https://github.com/nanocoai/nanoclaw/ · [email protected]https://github.com/nanocoai/nanoclaw/issues/2828 · [email protected]https://vuldb.com/cve/CVE-2026-90807 · [email protected]https://vuldb.com/submit/922841 · [email protected]https://vuldb.com/vuln/403309 · [email protected]https://vuldb.com/vuln/403309/cti · [email protected]https://github.com/nanocoai/nanoclaw/commit/3f9ed607b7e7a4872747295f75286f1c377d7c33 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:33Z
    EPSS moved — → 0%
    epss
  • 14 SEP 17:45Z
    nanocoai NanoClaw Attachment agent-route.ts forwardAttachedFiles link following
    cvelistv5