CVE-2026-16198

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.

CVSS v4.0

2.9 LOWCVSS: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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

5.6 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0

5.1 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:P

EPSS

0.63% chance of exploitation in the next 30 days, 48th percentile

Published

2026-07-18

Updated

2026-07-21

Proof-of-concept exploits (1)

• sipeed/picoclaw/issues/3080

References

• CVE Record
• NVD entry

Related

• CVE-2026-15317
• CVE-2026-15318
• CVE-2026-15319
• CVE-2026-15320
• CVE-2026-16081
• CVE-2026-16082