Files
vuln-cve/data/2026/0xxx/CVE-2026-0998.json
T

172 lines
6.7 KiB
JSON

{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-0998",
"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"state": "PUBLISHED",
"assignerShortName": "Mattermost",
"dateReserved": "2026-01-15T15:58:22.233Z",
"datePublished": "2026-02-16T09:54:24.732Z",
"dateUpdated": "2026-02-17T15:00:44.691Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.1.2",
"status": "affected",
"version": "11.1.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.9",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.2.1",
"status": "affected",
"version": "11.2.0",
"versionType": "semver"
},
{
"version": "11.3.0",
"status": "unaffected"
},
{
"version": "11.1.3",
"status": "unaffected"
},
{
"version": "10.11.10",
"status": "unaffected"
},
{
"version": "11.2.2",
"status": "unaffected"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "daw10"
}
],
"descriptions": [
{
"lang": "en",
"value": "Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate user identity and post ownership in the {{/api/v1/askPMI}} endpoint which allows unauthorized users to start Zoom meetings as any user and overwrite arbitrary posts via direct API calls with manipulated user IDs and post data.. Mattermost Advisory ID: MMSA-2025-00534"
}
],
"metrics": [
{
"cvssV3_1": {
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "LOW",
"availabilityImpact": "NONE",
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
"baseSeverity": "MEDIUM",
"baseScore": 4.3
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"lang": "en",
"type": "CWE",
"description": "CWE-862: Missing Authorization",
"cweId": "CWE-862"
}
]
}
],
"references": [
{
"url": "https://mattermost.com/security-updates",
"name": "MMSA-2025-00534",
"tags": [
"vendor-advisory"
]
}
],
"solutions": [
{
"value": "Update Mattermost to versions 11.3.0, 11.1.3, 10.11.10, 11.2.2 or higher. Alternatively, update Mattermost Zoom Plugin to version 1.12.0 or higher",
"lang": "en"
}
],
"source": {
"advisory": "MMSA-2025-00534",
"defect": [
"https://mattermost.atlassian.net/browse/MM-66136"
],
"discovery": "EXTERNAL"
},
"title": "Mattermost Zoom Plugin allows unauthorized meeting creation and post modification via insufficient API access controls",
"providerMetadata": {
"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
"shortName": "Mattermost",
"dateUpdated": "2026-02-16T09:54:24.732Z"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-02-17T15:00:37.795086Z",
"id": "CVE-2026-0998",
"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": "2026-02-17T15:00:44.691Z"
}
}
]
}
}