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CVE-2025-66556 Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

🗓️ 05 Dec 2025 17:56:44Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Nextcloud Talk allowed chat-permitted users to delete poll drafts by ID; fixed in 20.1.8-21.1.2.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cnnvd
CNNVD
Nextcloud Talk 安全漏洞
5 Dec 202500:00
–cnnvd
cve
CVE
CVE-2025-66556
5 Dec 202517:56
–cve
euvd
EUVD
EUVD-2025-201458
5 Dec 202517:56
–euvd
nextcloud
Nextcloud
Participants were able to blindly delete poll drafts of other users by ID
5 Dec 202507:52
–nextcloud
hackerone
Hacker One
Nextcloud: Participants were able to blindly delete poll drafts of other users by ID
11 Jul 202509:34
–hackerone
mend
Mend
CVE-2025-66556
5 Dec 202517:56
–mend
nvd
NVD
CVE-2025-66556
5 Dec 202518:15
–nvd
ptsecurity
Positive Technologies
PT-2025-49301
5 Dec 202500:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-66556: Authorization Bypass Through User-Controlled Key
5 Dec 202500:00
–rapid7
redhatcve
RedhatCVE
CVE-2025-66556
9 Dec 202508:27
–redhatcve
Rows per page
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": "< 20.1.8",
        "status": "affected"
      },
      {
        "version": ">= 21.0.0-beta.1, < 21.1.2",
        "status": "affected"
      }
    ]
  }
]

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