CNNVD-202512-666 Information

CNNVD ID

CNNVD-202512-666

CVE-2025-66511

  • CNNVD Published: 2025-12-05

Description (Chinese)

Nextcloud Calendar是Nextcloud开源的一个日历应用程序。 Nextcloud Calendar 6.0.3之前版本存在安全特征问题漏洞,该漏洞源于会议提案参与者令牌生成方式不安全,可能导致令牌被计算。

Description (English)

Nextcloud Calendar is a calendar application from the Nextcloud open source. Nextcloud Calendar before version 6.0.3 had a security feature loophole, which stemmed from the unsafe manner in which the tokens of the participants in the proposal for the meeting were generated and could lead to the counting of the tokens.

Hazard Level

High

Vulnerability Type

安全特征问题

Affected Vendor

Nextcloud

Published

2025-12-05

Last Modified

2026-02-24

References

https://github.com/nextcloud/calendar/commit/8de14ae87f321f5f09280d9895a27d54d24f33fb https://github.com/nextcloud/calendar/pull/7659 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-whm3-vv55-gf27 https://hackerone.com/reports/3385434

Patch

https://apps.nextcloud.com/apps/calendar

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