A AegiFlow
LOWCVSS 3.3

CVE-2025-66546

CVE-2025-66546 updated by NVD

Modified
2026-10-20
Sources
nvd

Summary

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1.

References

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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