271 lines
12 KiB
JSON
271 lines
12 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-6720",
|
|
"assignerOrgId": "e6d453f4-3dae-4941-bcea-9af25f4e824d",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Tigera",
|
|
"dateReserved": "2026-04-20T19:31:31.065Z",
|
|
"datePublished": "2026-05-28T15:47:42.519Z",
|
|
"dateUpdated": "2026-05-28T17:04:11.659Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"providerMetadata": {
|
|
"orgId": "e6d453f4-3dae-4941-bcea-9af25f4e824d",
|
|
"shortName": "Tigera",
|
|
"dateUpdated": "2026-05-28T15:47:42.519Z"
|
|
},
|
|
"title": "Calicoctl leaks cluster credentials to stderr when verbose logging is enabled",
|
|
"datePublic": "2026-05-28T16:00:00.000Z",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"cweId": "CWE-532",
|
|
"description": "CWE-532",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"impacts": [
|
|
{
|
|
"capecId": "CAPEC-150",
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "CAPEC-150 Collect Data from Common Resource Locations"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "Tigera",
|
|
"product": "Calico",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThan": "3.32.0",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "affected"
|
|
},
|
|
{
|
|
"vendor": "Tigera",
|
|
"product": "Calico Enterprise",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThan": "3.21.7",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"status": "unaffected",
|
|
"version": "3.22.3",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "affected"
|
|
},
|
|
{
|
|
"vendor": "Tigera",
|
|
"product": "Calico Cloud",
|
|
"versions": [
|
|
{
|
|
"status": "affected",
|
|
"version": "0",
|
|
"lessThan": "22.4.0",
|
|
"versionType": "semver"
|
|
}
|
|
],
|
|
"defaultStatus": "affected"
|
|
}
|
|
],
|
|
"cpeApplicability": [
|
|
{
|
|
"operator": "OR",
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:a:tigera:calico:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "0",
|
|
"versionEndExcluding": "3.32.0"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:a:tigera:calico_enterprise:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "0",
|
|
"versionEndExcluding": "3.21.7"
|
|
},
|
|
{
|
|
"vulnerable": false,
|
|
"criteria": "cpe:2.3:a:tigera:calico_enterprise:3.22.3:*:*:*:*:*:*:*"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:a:tigera:calico_cloud:*:*:*:*:*:*:*:*",
|
|
"versionStartIncluding": "0",
|
|
"versionEndExcluding": "22.4.0"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "When calicoctl is invoked with --log-level=info or --log-level=debug, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line. The struct embeds every credential calicoctl uses to talk to the cluster — inline kubeconfig (with bearer token), Kubernetes API bearer token, etcd password, and inline PEM-encoded etcd client certificate and key. Any reader of that stderr stream — CI job logs, session-recording archives, shared support-ticket transcripts, or local filesystem viewers on the host that ran calicoctl — can extract these credentials with zero Kubernetes privilege. calicoctl's default log level is panic, so this issue only triggers when verbose logging is explicitly enabled.",
|
|
"supportingMedia": [
|
|
{
|
|
"type": "text/html",
|
|
"base64": false,
|
|
"value": "<span>When </span><span>calicoctl</span><span> is invoked with </span><span>--log-level=info</span><span> or </span><span>--log-level=debug</span><span>, the client prints the full contents of its loaded connection-configuration struct to stderr in a single log line. The struct embeds every credential </span><span>calicoctl</span><span> uses to talk to the cluster — inline kubeconfig (with bearer token), Kubernetes API bearer token, etcd password, and inline PEM-encoded etcd client certificate and key. Any reader of that stderr stream — CI job logs, session-recording archives, shared support-ticket transcripts, or local filesystem viewers on the host that ran </span><span>calicoctl</span><span> — can extract these credentials with zero Kubernetes privilege. </span><span>calicoctl</span><span>'s default log level is </span><span>panic</span><span>, so this issue only triggers when verbose logging is explicitly enabled.</span>"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://github.com/projectcalico/calico/pull/12535",
|
|
"tags": [
|
|
"patch"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://github.com/projectcalico/calico/pull/12536",
|
|
"tags": [
|
|
"patch"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://github.com/projectcalico/calico/pull/12537",
|
|
"tags": [
|
|
"patch"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://www.tigera.io/security-bulletins/tta-2026-003/",
|
|
"tags": [
|
|
"vendor-advisory"
|
|
]
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
],
|
|
"cvssV4_0": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"attackRequirements": "PRESENT",
|
|
"privilegesRequired": "LOW",
|
|
"userInteraction": "PASSIVE",
|
|
"vulnConfidentialityImpact": "HIGH",
|
|
"subConfidentialityImpact": "HIGH",
|
|
"vulnIntegrityImpact": "NONE",
|
|
"subIntegrityImpact": "HIGH",
|
|
"vulnAvailabilityImpact": "NONE",
|
|
"subAvailabilityImpact": "HIGH",
|
|
"exploitMaturity": "NOT_DEFINED",
|
|
"Safety": "NOT_DEFINED",
|
|
"Automatable": "NOT_DEFINED",
|
|
"Recovery": "NOT_DEFINED",
|
|
"valueDensity": "NOT_DEFINED",
|
|
"vulnerabilityResponseEffort": "NOT_DEFINED",
|
|
"providerUrgency": "NOT_DEFINED",
|
|
"version": "4.0",
|
|
"baseSeverity": "HIGH",
|
|
"baseScore": 7.2,
|
|
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H"
|
|
}
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Behnam Shobiri",
|
|
"type": "finder"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "Behnam Shobiri",
|
|
"type": "remediation developer"
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"value": "Anthony Tam",
|
|
"type": "remediation verifier"
|
|
}
|
|
],
|
|
"source": {
|
|
"discovery": "UNKNOWN"
|
|
},
|
|
"x_generator": {
|
|
"engine": "Vulnogram 1.0.2"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-05-28T17:04:05.727153Z",
|
|
"id": "CVE-2026-6720",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-05-28T17:04:11.659Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |