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vuln-cve/data/2026/85xxx/CVE-2026-85990.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-85990",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-09-04T19:17:36.245Z",
"datePublished": "2026-10-13T16:15:09.529Z",
"dateUpdated": "2026-10-16T22:08:17.288Z"
},
"containers": {
"cna": {
"title": "Leantime: Any Authenticated User Can Self-Escalate to Admin via Unauthorized JSON-RPC Methods",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-269",
"lang": "en",
"description": "CWE-269: Improper Privilege Management",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-862",
"lang": "en",
"description": "CWE-862: Missing Authorization",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/Leantime/leantime/security/advisories/GHSA-54mm-6729-r5wp",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/Leantime/leantime/security/advisories/GHSA-54mm-6729-r5wp"
},
{
"name": "https://github.com/Leantime/leantime/security/advisories/GHSA-54mm-6729-r5wp",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/security/advisories/GHSA-54mm-6729-r5wp"
},
{
"name": "https://github.com/Leantime/leantime/pull/3583",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/pull/3583"
},
{
"name": "https://github.com/Leantime/leantime/pull/3797",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/pull/3797"
},
{
"name": "https://github.com/Leantime/leantime/commit/5605e5ee86bbd01acb85c6b5d8fb337faf8bcf02",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/commit/5605e5ee86bbd01acb85c6b5d8fb337faf8bcf02"
},
{
"name": "https://github.com/Leantime/leantime/commit/7ebf7a9517e2aaa05ec15b8130ab1841a4bde43e",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/commit/7ebf7a9517e2aaa05ec15b8130ab1841a4bde43e"
},
{
"name": "https://github.com/Leantime/leantime/releases/tag/v3.10.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/Leantime/leantime/releases/tag/v3.10.0"
}
],
"affected": [
{
"vendor": "Leantime",
"product": "leantime",
"versions": [
{
"version": "< 3.10.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-10-13T16:15:09.529Z"
},
"descriptions": [
{
"lang": "en",
"value": "Leantime is an open source project management system. Prior to 3.10.0, for the provisionally grouped account-creation and plugin-management surfaces, Leantime's JSON-RPC dispatcher in app/Domain/Api/Controllers/Jsonrpc.php exposes public API service methods, while PermissionEnforcer::enforce allows methods that lack a RequiresPermission attribute. A low-privilege authenticated user with an ordinary browser session can send the required X-Requested-With: XMLHttpRequest header and call leantime.rpc.api.api.createApiKeyWithProjects, which reaches Api::createApiKeyWithProjects, with an attacker-chosen role to create an interactive administrator account. The same missing per-method authorization exposes Plugins::installPlugin, Plugins::enablePlugin, Plugins::disablePlugin, and Plugins::removePlugin to ordinary authenticated users, permitting unauthorized plugin management. The complete provisionally grouped issue is fixed in version 3.10.0."
}
],
"source": {
"advisory": "GHSA-54mm-6729-r5wp",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/Leantime/leantime/security/advisories/GHSA-54mm-6729-r5wp",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-10-16T22:07:42.946920Z",
"id": "CVE-2026-85990",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-10-16T22:08:17.288Z"
}
}
]
}
}