Sipeed PicoClaw First Run Setup access_control.go authentication bypass
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-16198
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 16:50 UTC · Revision 1
Source evidence
Sipeed PicoClaw First Run Setup access_control.go authentication bypass
core-osv · Original sourcePublished 18 Jul 2026, 23:30 UTC
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.
osv:CVE-2026-16198
Complete source record
{
"id": "9c10f9c267e62bc04837b68f4a72b469cc9b259115b0c9d0c9143389b3b61598",
"url": "https://osv.dev/vulnerability/CVE-2026-16198",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Sipeed PicoClaw First Run Setup access_control.go authentication bypass",
"summary": "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.",
"evidence": "osv:CVE-2026-16198",
"products": [],
"severity": "low",
"structured": {
"id": "CVE-2026-16198",
"aliases": [
"CVE-2026-16198"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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": [
{
"ranges": [
{
"repo": "https://github.com/sipeed/picoclaw",
"type": "GIT",
"events": [
{
"introduced": "8207c1c7e6006c0664dfec99fd6bbbda34d2550a"
},
{
"fixed": "017601354be38cb027ff3ffb01aed79bd5d12610"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0.2.0"
},
{
"last_affected": "0.2.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.1"
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{
"last_affected": "0.2.1"
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.2"
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{
"last_affected": "0.2.2"
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.3"
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{
"last_affected": "0.2.3"
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.4"
},
{
"last_affected": "0.2.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.5"
},
{
"last_affected": "0.2.5"
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],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.6"
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{
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
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{
"range": [
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"introduced": "0.2.7"
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"source": "AFFECTED_FIELD",
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{
"range": [
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{
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"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"introduced": "0.2.9"
},
{
"last_affected": "0.2.9"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandaloneSingleVersion"
},
{
"range": [
{
"fixed": "017601354be38cb027ff3ffb01aed79bd5d12610"
}
],
"source": "REFERENCES_COMMIT"
}
]
}
}
],
"versions": [
"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",
"v0.2.9",
"v0.2.8",
"v0.2.7",
"v0.2.6",
"v0.2.5",
"v0.2.4",
"v0.2.3",
"v0.2.2",
"v0.2.2-nightly.20260312.6612ca09",
"v0.2.1",
"v0.2.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-16198.json"
}
}
],
"modified": "2026-10-28T02:30:37.508017785Z",
"provider": "osv",
"references": [
"https://github.com/sipeed/picoclaw/",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16198.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-16198",
"https://vuldb.com/cve/CVE-2026-16198",
"https://vuldb.com/submit/852965",
"https://vuldb.com/vuln/380014",
"https://github.com/sipeed/picoclaw/issues/3080",
"https://vuldb.com/vuln/380014/cti",
"https://github.com/sipeed/picoclaw/commit/017601354be38cb027ff3ffb01aed79bd5d12610",
"https://github.com/sipeed/picoclaw/pull/3083"
],
"provider_metadata": {
"cwe_ids": [
"CWE-287",
"CWE-288"
],
"cna_assigner": "VulDB",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16198.json"
}
},
"related_cves": [
{
"value": "CVE-2026-16198",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 504926,
"published_at": "2026-07-18T23:30:18.741+00:00"
}