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CVE-2026-28736 Focalboard IDOR in file content endpoint allows cross-user file access (unsupported product, no fix)
| Reporter | Title | Published | Views | Family All 12 |
|---|---|---|---|---|
 | CVE-2026-28736 | 3 Apr 202613:25 | – | attackerkb |
 | Focalboard 安全漏洞 | 3 Apr 202600:00 | – | cnnvd |
 | CVE-2026-28736 | 3 Apr 202613:25 | – | cve |
 | EUVD-2026-18653 | 3 Apr 202615:30 | – | euvd |
 | Focalboard doesn't validate file ownership when serving uploaded files | 3 Apr 202615:30 | – | github |
 | CVE-2026-28736 | 3 Apr 202614:16 | – | nvd |
 | GHSA-VPH7-R229-QXPF Focalboard doesn't validate file ownership when serving uploaded files | 3 Apr 202615:30 | – | osv |
| GO-2026-5670 Focalboard doesn't validate file ownership when serving uploaded files in github.com/mattermost/focalboard | 25 Jun 202622:34 | – | osv |
 | PT-2026-30042 | 3 Apr 202600:00 | – | ptsecurity |
 | CVE-2026-28736 | 4 Apr 202617:00 | – | redhatcve |
10
[
{
"defaultStatus": "unaffected",
"product": "Focalboard",
"vendor": "Mattermost",
"versions": [
{
"lessThanOrEqual": "8.0",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
]| Source | Link |
|---|---|
| github | www.github.com/mattermost-community/focalboard |
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03 Apr 2026 13:25Current
CVSS 3.14.3
EPSS0.00221