CVE-2026-121581

Medium CVSS 4.3

Published 2026-11-03 · last changed 2026-11-03

The fix

We hold no Microsoft remediation data for CVE-2026-121581, which normally means it is not a Windows CVE. For non-Microsoft software the fix is the vendor's own updated release, and the affected versions are listed below.

What it is

A vulnerability has been found in ArcReel 0.32.0/0.33.0/0.34.0. The impacted element is an unknown function of the file /api/v1/providers/{id}/test of the component Provider Test-Connection Endpoint. The manipulation leads to server-side request forgery. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Sources

NVD record for CVE-2026-121581

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N