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CVE-2026-77170

🗓️ 18 Sep 2026 01:26:04Reported by hackeroneType 
cve
 cve
🔗 web.nvd.nist.gov👁 28 Views

Authenticated users can write config keys to arbitrary boards in Deck without ownership validation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-77170
18 Sep 202601:26
–cvelist
euvd
EUVD
EUVD-2026-82620
18 Sep 202601:26
–euvd
hackerone
Hacker One
Nextcloud: Arbitrary Board Preference Injection via Deck Config API
12 Mar 202607:10
–hackerone
nvd
NVD
CVE-2026-77170
18 Sep 202602:17
–nvd
ptsecurity
Positive Technologies
PT-2026-95210
18 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-77170: Improper Access Control
18 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-77170
18 Sep 202601:26
–vulnrichment
Vulners
Node
nextclouddeckRange≤1.18.0
[
  {
    "defaultStatus": "unaffected",
    "vendor": "Nextcloud",
    "product": "Deck",
    "versions": [
      {
        "version": "1.16.0",
        "status": "affected",
        "lessThanOrEqual": "1.18.0",
        "versionType": "semver"
      }
    ]
  }
]

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18 Sep 2026 20:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 34.3
EPSS0.0027
SSVC
28