Medium
OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS
Type: advisorySources: OSV
OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-53861
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 04:03 UTC · Revision 1
Source evidence
OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS
core-osv · Original sourcePublished 16 Jun 2026, 18:05 UTC
OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.
osv:CVE-2026-53861
Complete source record
{
"id": "766357d2f992c0f977b409f123ae2c9b2e0edba3665a0bef1cb303d27e72d6ff",
"url": "https://osv.dev/vulnerability/CVE-2026-53861",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS",
"summary": "OpenClaw before 2026.5.6 contains an allowlist bypass vulnerability in the macOS Swift exec feature that misses combined POSIX inline-command flags. Attackers can execute shell content outside the intended allowlist check by using combined flag forms, potentially allowing unauthorized command execution depending on operator configuration.",
"evidence": "osv:CVE-2026-53861",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-53861",
"aliases": [
"CVE-2026-53861",
"GHSA-c226-q6fx-6j6c"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/openclaw/openclaw",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "c97b9f79ec43b531a3472c3219ca51efbf7695a3"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.5.6"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"cpe": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.5.6"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"v2026.5.5-beta.2",
"v2026.5.5-beta.1",
"v2026.5.4",
"v2026.5.4-beta.3",
"v2026.5.4-beta.2",
"v2026.4.19-beta.2",
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"v2026.4.14",
"v2026.4.14-beta.1",
"v2026.4.12",
"v2026.4.12-beta.1",
"v2026.4.11",
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"v2026.4.2",
"v2026.4.1",
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"v2026.3.13-1",
"v2026.3.13",
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"v2026.3.8",
"v2026.3.8-beta.1",
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"v2026.3.1",
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"v2026.2.25",
"v2026.2.25-beta.1",
"v2026.2.24",
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"v2026.2.23",
"v2026.2.23-beta.1",
"v2026.2.22",
"v2026.2.22-beta.1",
"v2026.2.21",
"v2026.2.21-beta.1",
"v2026.2.19-beta.1",
"v2026.2.19",
"v2026.2.17",
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"v2026.2.14",
"v2026.2.13",
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"v2026.2.6-3",
"v2026.2.6-2",
"v2026.2.6-1",
"v2026.2.6",
"v2026.2.3",
"v2026.2.2",
"v2026.2.1",
"v2026.1.30",
"v2026.1.29",
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"v2026.1.24",
"v2026.1.23",
"v2026.1.22",
"v2026.1.21",
"v2026.1.20",
"v2026.1.16-2",
"v2026.1.15",
"v2026.1.14-1",
"v2026.1.13",
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"v2026.1.11-3",
"v2026.1.11-2",
"v2026.1.11-1",
"v2026.1.11",
"v2026.1.10",
"v2026.1.9",
"v2026.1.8",
"v2026.1.5-3",
"v2026.1.5-2",
"v2026.1.5-1",
"v2026.1.5",
"v2.0.0-beta5",
"v2.0.0-beta4",
"v2.0.0-beta3",
"v2.0.0-beta2",
"v2.0.0-beta1",
"v1.3.0",
"v1.2.2",
"v1.2.1",
"v1.2.0",
"v1.1.0",
"v1.0.4",
"v0.1.3",
"v0.1.2",
"v0.1.1",
"v0.1.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-53861.json"
}
}
],
"modified": "2026-10-28T02:30:49.417743065Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53861.json",
"https://github.com/openclaw/openclaw/security/advisories/GHSA-c226-q6fx-6j6c",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53861",
"https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-via-combined-posix-inline-flags-on-macos",
"https://github.com/openclaw/openclaw"
],
"provider_metadata": {
"cwe_ids": [
"CWE-184"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53861.json"
}
},
"related_cves": [
{
"value": "CVE-2026-53861",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 517976,
"published_at": "2026-06-16T18:05:07.908+00:00"
}