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CVE-2025-66546

🗓️ 05 Dec 2025 16:49:46Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 56 Views

Nextcloud Calendar allowed bookings without tokens before 4.7.19, 5.5.6, and 6.0.1; it is fixed.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
Nextcloud Calendar Unauthorized Access
25 Mar 202600:00
–bdu_fstec
circl
Circl
CVE-2025-66546
5 Dec 202514:50
–circl
cnnvd
CNNVD
Nextcloud Calendar 安全漏洞
5 Dec 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-66546 Nextcloud Calendar app allowed booking appointments without the generated token
5 Dec 202516:49
–cvelist
euvd
EUVD
EUVD-2025-201445
5 Dec 202516:49
–euvd
nextcloud
Nextcloud
Calendar app allowed booking appointments without the generated token
5 Dec 202508:00
–nextcloud
hackerone
Hacker One
Nextcloud: Calendar app allowed booking appointments without the generated token
29 Jul 202505:54
–hackerone
mend
Mend
CVE-2025-66546
5 Dec 202516:49
–mend
nvd
NVD
CVE-2025-66546
5 Dec 202517:16
–nvd
ptsecurity
Positive Technologies
PT-2025-49289
5 Dec 202500:00
–ptsecurity
Rows per page
NVD
Vulners
Node
OR
nextcloudcalendarRange4.0.0–4.7.19
nextcloudcalendarRange5.0.0–5.5.6
nextcloudcalendarMatch6.0.0rc1
nextcloudcalendarMatch6.0.0rc2
nextcloudcalendarMatch6.0.0rc3
nextcloudcalendarMatch6.0.0rc4
nextcloudcalendarMatch6.0.0rc5
nextcloudcalendarMatch6.0.0rc6
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 6.0.0-rc.1, < 6.0.1",
        "status": "affected"
      },
      {
        "version": ">= 5.0.0-rc.1, < 5.5.6",
        "status": "affected"
      },
      {
        "version": ">= 3.0.0-beta1, < 4.7.19",
        "status": "affected"
      }
    ]
  }
]

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