ArcadeDB before 26.7.3 Information Disclosure via get_server_settings
ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and achieve full server compromise.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-67357
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 19:40 UTC · Revision 1
Source evidence
ArcadeDB before 26.7.3 Information Disclosure via get_server_settings
core-osv · Original sourcePublished 2 Aug 2026, 12:15 UTC
ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and achieve full server compromise.
osv:CVE-2026-67357
Complete source record
{
"id": "13579944a3ad1424ca8dc8da73240c095c5fa5586a084adcf5b1ed966b91b12c",
"url": "https://osv.dev/vulnerability/CVE-2026-67357",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ArcadeDB before 26.7.3 Information Disclosure via get_server_settings",
"summary": "ArcadeDB versions before 26.7.3 contain an information disclosure vulnerability in the MCP get_server_settings tool that leaks the arcadedb.ha.clusterToken in cleartext. Attackers with MCP access can retrieve the cluster token and use it with X-ArcadeDB-Cluster-Token and X-ArcadeDB-Forwarded-User headers to impersonate root and achieve full server compromise.",
"evidence": "osv:CVE-2026-67357",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-67357",
"aliases": [
"CVE-2026-67357",
"GHSA-p9wc-4fhr-78wm"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/arcadedata/arcadedb",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "f2f3d880597d1d2310d61267e08ff5485504b4b5"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "26.7.3"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "26.7.3"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
"versions": [
"26.7.2",
"26.7.1",
"26.6.1",
"26.5.1",
"26.4.2",
"26.3.2",
"26.3.1",
"26.2.1",
"26.1.1",
"25.12.1",
"25.11.1",
"25.10.1",
"25.9.1",
"25.8.1",
"25.7.1",
"25.6.1",
"25.4.1",
"25.3.2",
"25.3.1",
"25.2.1",
"25.1.1",
"24.11.2",
"24.11.1",
"24.10.1",
"24.6.1",
"24.5.1",
"24.4.1",
"24.2.1",
"24.1.1",
"23.12.2",
"23.12.1",
"23.11.1",
"23.10.1",
"23.9.1",
"23.7.1",
"23.6.1",
"23.5.1",
"23.4.1",
"23.3.1",
"23.2.1",
"23.1.2",
"23.1.1",
"22.12.1",
"22.11.1",
"22.10.1",
"22.9.1",
"22.8.1",
"22.6.1",
"22.2.1",
"22.1.3",
"22.1.2",
"21.12.1",
"21.11.1",
"21.10.2",
"21.10.1",
"21.9.1"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-67357.json"
}
}
],
"modified": "2026-10-28T02:30:38.655207825Z",
"provider": "osv",
"references": [
"https://github.com/ArcadeData/arcadedb/security/advisories/GHSA-p9wc-4fhr-78wm",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67357.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-67357",
"https://www.vulncheck.com/advisories/arcadedb-information-disclosure-via-get-server-settings"
],
"provider_metadata": {
"cwe_ids": [
"CWE-200"
],
"cna_assigner": "VulnCheck",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/67xxx/CVE-2026-67357.json"
}
},
"related_cves": [
{
"value": "CVE-2026-67357",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 506274,
"published_at": "2026-08-02T12:15:25.126+00:00"
}