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CVE-2026-4265 Guest user can upload files without permission across teams
| Reporter | Title | Published | Views | Family All 23 |
|---|---|---|---|---|
 | CVE-2026-4265 | 16 Mar 202612:07 | – | attackerkb |
 | CVE-2026-4265 | 17 Mar 202600:00 | – | circl |
 | Mattermost 安全漏洞 | 16 Mar 202600:00 | – | cnnvd |
 | CVE-2026-4265 | 16 Mar 202612:07 | – | cve |
 | EUVD-2026-12425 | 16 Mar 202615:30 | – | euvd |
 | Mattermost fails to validate team-specific upload_file permissions | 16 Mar 202615:30 | – | github |
 | CVE-2026-4265 | 16 Mar 202614:20 | – | nvd |
 | GHSA-XPVF-6QCC-9JQC Mattermost fails to validate team-specific upload_file permissions | 16 Mar 202615:30 | – | osv |
| GO-2026-4749 Mattermost fails to validate team-specific upload_file permissions 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 12:07Current
CVSS 3.14.3
EPSS0.00034