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CVE-2026-2458 Unauthorized channel enumeration in private teams after member removal
| Reporter | Title | Published | Views | Family All 24 |
|---|---|---|---|---|
 | CVE-2026-2458 | 16 Mar 202611:27 | – | attackerkb |
 | CVE-2026-2458 | 16 Feb 202600:00 | – | circl |
 | Mattermost 安全漏洞 | 16 Mar 202600:00 | – | cnnvd |
 | CVE-2026-2458 | 16 Mar 202611:27 | – | cve |
 | EUVD-2026-12409 | 16 Mar 202615:30 | – | euvd |
 | Mattermost allows a removed team member to enumerate all public channels within a private team | 16 Mar 202615:30 | – | github |
 | CVE-2026-2458 | 16 Mar 202614:19 | – | nvd |
 | GHSA-679F-WMRG-QF57 Mattermost allows a removed team member to enumerate all public channels within a private team | 16 Mar 202615:30 | – | osv |
| GO-2026-4729 Mattermost allows a removed team member to enumerate all public channels within a private team in github.com/mattermost/mattermost-server | 23 Mar 202618:14 | – | osv |
| SUSE-SU-2026:1135-1 Security update for govulncheck-vulndb | 27 Mar 202617:33 | – | osv |
10
[
{
"defaultStatus": "unaffected",
"product": "Mattermost",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "11.3.0",
"status": "affected",
"version": "11.3.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "11.2.2",
"status": "affected",
"version": "11.2.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "10.11.10",
"status": "affected",
"version": "10.11.0",
"versionType": "semver"
},
{
"version": "11.4.0",
"status": "unaffected"
},
{
"version": "11.3.1",
"status": "unaffected"
},
{
"version": "11.2.3",
"status": "unaffected"
},
{
"version": "10.11.11",
"status": "unaffected"
}
]
}
]| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
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16 Mar 2026 11:27Current
CVSS 3.14.3
EPSS0.0004