CVE-2026-16198CWE-287CWE-288

Sipeed PicoClaw First Run Setup access_control.go authentication bypass

Medium · published July 18, 2026

CVSS v4.0
6.3
EPSS
1%
Percentile
49.7
In the wild
Unconfirmed
What it is

A vulnerability was detected in Sipeed PicoClaw up to 0.2.9. The impacted element is an unknown function of the file web/backend/middleware/access_control.go of the component First Run Setup. Performing a manipulation of the argument allowed_cidrs results in authentication bypass using alternate channel. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitability is regarded as difficult. The exploit is now public and may be used. The patch is named 017601354be38cb027ff3ffb01aed79bd5d12610. Applying a patch is the recommended action to fix this issue.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00634 · 49.7th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-288 · Authentication Bypass Using an Alternate Path or Channel
Published
2026-07-18T23:30Z
EPSS history
Timeline
  • 18 JUL 23:30Z
    Sipeed PicoClaw First Run Setup access_control.go authentication bypass
    cvelistv5