185 lines
6.9 KiB
JSON
185 lines
6.9 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-5308",
|
|
"assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "Mattermost",
|
|
"dateReserved": "2026-04-01T10:35:26.431Z",
|
|
"datePublished": "2026-05-22T10:20:43.629Z",
|
|
"dateUpdated": "2026-05-22T12:14:58.221Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"affected": [
|
|
{
|
|
"defaultStatus": "unaffected",
|
|
"product": "Mattermost",
|
|
"vendor": "Mattermost",
|
|
"versions": [
|
|
{
|
|
"lessThanOrEqual": "11.6.0",
|
|
"status": "affected",
|
|
"version": "11.6.0",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"lessThanOrEqual": "11.5.3",
|
|
"status": "affected",
|
|
"version": "11.5.0",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"lessThanOrEqual": "11.4.4",
|
|
"status": "affected",
|
|
"version": "11.4.0",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"lessThanOrEqual": "10.11.14",
|
|
"status": "affected",
|
|
"version": "10.11.0",
|
|
"versionType": "semver"
|
|
},
|
|
{
|
|
"version": "11.7.0",
|
|
"status": "unaffected"
|
|
},
|
|
{
|
|
"version": "11.6.1",
|
|
"status": "unaffected"
|
|
},
|
|
{
|
|
"version": "11.5.4",
|
|
"status": "unaffected"
|
|
},
|
|
{
|
|
"version": "11.4.5",
|
|
"status": "unaffected"
|
|
},
|
|
{
|
|
"version": "10.11.15",
|
|
"status": "unaffected"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"type": "finder",
|
|
"value": "thecybertantrik"
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Mattermost versions 11.6.x <= 11.6.0, 11.5.x <= 11.5.3, 11.4.x <= 11.4.4, 10.11.x <= 10.11.14 fail to enforce request body size limits on plugin HTTP endpoints which allows an attacker to cause a denial of service via crafted oversized HTTP requests.. Mattermost Advisory ID: MMSA-2026-00646"
|
|
}
|
|
],
|
|
"metrics": [
|
|
{
|
|
"cvssV3_1": {
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "HIGH",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "NONE",
|
|
"availabilityImpact": "HIGH",
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
|
|
"baseSeverity": "MEDIUM",
|
|
"baseScore": 4.9
|
|
},
|
|
"format": "CVSS",
|
|
"scenarios": [
|
|
{
|
|
"lang": "en",
|
|
"value": "GENERAL"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"type": "CWE",
|
|
"description": "CWE-400 Uncontrolled Resource Consumption",
|
|
"cweId": "CWE-400"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://mattermost.com/security-updates",
|
|
"name": "MMSA-2026-00646",
|
|
"tags": [
|
|
"vendor-advisory"
|
|
]
|
|
}
|
|
],
|
|
"solutions": [
|
|
{
|
|
"value": "Update Mattermost to versions 11.7.0, 11.6.1, 11.5.4, 11.4.5, 10.11.15 or higher.",
|
|
"lang": "en"
|
|
}
|
|
],
|
|
"source": {
|
|
"advisory": "MMSA-2026-00646",
|
|
"defect": [
|
|
"https://mattermost.atlassian.net/browse/MM-68163"
|
|
],
|
|
"discovery": "EXTERNAL"
|
|
},
|
|
"title": "Missing request body size limits on Zoom plugin HTTP endpoints",
|
|
"providerMetadata": {
|
|
"orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
|
|
"shortName": "Mattermost",
|
|
"dateUpdated": "2026-05-22T10:20:43.629Z"
|
|
},
|
|
"x_generator": {
|
|
"engine": "cvelib 1.8.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-05-22T12:14:52.101944Z",
|
|
"id": "CVE-2026-5308",
|
|
"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": "2026-05-22T12:14:58.221Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |