Nextcloud GmbH Nextcloud Calendar

Name: Nextcloud GmbH Nextcloud Calendar
Brand: Nextcloud GmbH

productRU

A product tracked in the threat graph; the vulnerabilities below are known to affect it.

KEV-listed

public exploit

by severity

1critical0high3medium0low

updated 2026-10-27

vulnerabilities (6)

Related CVEs.

sort

ID	severity	EPSS	exploitable	patched	published	affected
CVE-2022-24838US	critical9.8	33.0% (98th)	—	no fix	2022-04-11	≤ 3.2.2
CVE-2023-45150US	medium4.3	0.48% (41st)	—	no fix	2023-10-16	1.0 → 4.4.4
CVE-2023-33183US	medium4.3	0.44% (38th)	—	no fix	2023-05-30	2 versions
CVE-2025-66550US	—	0.34% (27th)	—	no fix	2025-12-05	2 versions
CVE-2025-66511US	medium6.5OT elevated	0.29% (22nd)	—	no fix	2025-12-05	≤ 6.0.3
CVE-2025-66546US	—	0.14% (3rd)	—	no fix	2025-12-05	≤ 6.1.2

The flaw types (CWEs) most of these CVEs share.

CWE-241Improper Handling of Unexpected Data Type1 CVEs
CWE-285Improper Authorization1 CVEs
CWE-330Use of Insufficiently Random Values1 CVEs
CWE-354Improper Validation of Integrity Check Value1 CVEs
CWE-400Uncontrolled Resource Consumption1 CVEs
CWE-639Authorization Bypass Through User-Controlled Key1 CVEs
CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')1 CVEs
CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')1 CVEs

Which sources assert this record, and when.

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