CVE-2026-16198
Sipeed PicoClaw First Run Setup access_control.go authentication bypass
CVSS Score
5.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-288 CWE-287 |
| Vendor | sipeed |
| Product | picoclaw |
| Published | Jul 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Sipeed / PicoClaw
0.2.0 0.2.1 0.2.2 0.2.3 0.2.4 0.2.5 0.2.6 0.2.7 0.2.8 0.2.9
References
vuldb.com: https://vuldb.com/vuln/380014 vuldb.com: https://vuldb.com/vuln/380014/cti vuldb.com: https://vuldb.com/cve/CVE-2026-16198 vuldb.com: https://vuldb.com/submit/852965 github.com: https://github.com/sipeed/picoclaw/issues/3080 github.com: https://github.com/sipeed/picoclaw/pull/3083 github.com: https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610 github.com: https://github.com/sipeed/picoclaw/
Credits
🔍 Eric-i (VulDB User)