CVE-2026-16198: medium-severity vulnerability in Sipeed PicoClaw
Sipeed PicoClaw First Run Setup access_control.go authentication bypass
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 6.3epss 0.6%
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: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
Affected products
Sipeed · PicoClawpublic PoCs found — 1
cve_referencegithub.com/sipeed/picoclaw/issues/3080unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Sipeed PicoClaw
In the same product, most dangerous first.
CVE-2026-16083MEDIUMSipeed PicoClaw LINE Webhook line.go webhook.ParseRequest authentication replayEPSS 0.7%CVE-2026-16084MEDIUMSipeed PicoClaw web.go web_fetch server-side request forgeryEPSS 0.6%CVE-2026-15319MEDIUMSipeed PicoClaw Launcher access_control.go IPAllowlist access controlEPSS 0.5%CVE-2026-15317MEDIUMSipeed PicoClaw Guarded Web Fetch Flow web.go WebFetchTool.Execute server-side request forgeryEPSS 0.4%CVE-2026-16196MEDIUMSipeed PicoClaw web_fetch web.go isPrivateOrRestrictedIP server-side request forgeryEPSS 0.4%CVE-2026-15320MEDIUMSipeed PicoClaw pico.go rt.ReloadConfig authorizationEPSS 0.4%
References
https://github.com/sipeed/picoclaw/https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610https://github.com/sipeed/picoclaw/issues/3080https://github.com/sipeed/picoclaw/pull/3083https://vuldb.com/cve/CVE-2026-16198https://vuldb.com/submit/852965https://vuldb.com/vuln/380014https://vuldb.com/vuln/380014/cti