CVE-2026-95666
| Reporter | Title | Published | Views | Family All 9 |
|---|---|---|---|---|
 | CVE-2026-95666 | 23 Sep 202613:15 | – | circl |
 | CVE-2026-95666 Unbounded post ID array in the bulk reactions endpoint allows denial of service | 22 Sep 202613:11 | – | cvelist |
 | EUVD-2026-84378 | 22 Sep 202613:11 | – | euvd |
 | Mattermost Server 11.7.x < 11.7.11 / 11.8.x < 11.8.6 / 11.9.x < 11.9.2 / 11.10.x < 11.10.2 Multiple Vulnerabilities (MMSA-2026-00771, MMSA-2026-00775, MMSA-2026-00776) | 25 Sep 202600:00 | – | nessus |
 | CVE-2026-95666 | 22 Sep 202613:11 | – | mend |
 | CVE-2026-95666 | 22 Sep 202614:17 | – | nvd |
 | PT-2026-96724 | 22 Sep 202600:00 | – | ptsecurity |
 | CVE-2026-95666: Allocation of Resources Without Limits or Throttling | 22 Sep 202600:00 | – | rapid7 |
 | CVE-2026-95666 Unbounded post ID array in the bulk reactions endpoint allows denial of service | 22 Sep 202613:11 | – | vulnrichment |
Node
OR
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.9.1",
"status": "affected",
"version": "11.9.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.8.5",
"status": "affected",
"version": "11.8.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.7.10",
"status": "affected",
"version": "11.7.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.10.1",
"status": "affected",
"version": "11.10.0",
"versionType": "semver"
},
{
"version": "11.11.0",
"status": "unaffected"
},
{
"version": "11.9.2",
"status": "unaffected"
},
{
"version": "11.8.6",
"status": "unaffected"
},
{
"version": "11.7.11",
"status": "unaffected"
},
{
"version": "11.10.2",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| ids | request body | /api/v4/posts/ids/reactions | Excessive database load via unbounded post ID array sent to the bulk reactions endpoint. | CWE-770 |
Data
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07 Oct 2026 16:48Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
EPSS0.00367
SSVC