Unrated severityNVD Advisory· Published Mar 31, 2023· Updated Feb 11, 2025
Chat room membership disclosed via autocompletion in Nextcloud talk
CVE-2023-28845
Description
Nextcloud talk is a video & audio conferencing app for Nextcloud. In affected versions the talk app does not properly filter access to a conversations member list. As a result an attacker could use this vulnerability to gain information about the members of a Talk conversation, even if they themselves are not members. It is recommended that the Nextcloud Talk is upgraded to 14.0.9 or 15.0.4. There are no known workarounds for this vulnerability.
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Affected products
2- nextcloud/security-advisoriesv5Range: >= 15.0.0, < 15.0.4
Patches
Vulnerability mechanics
References
2- github.com/nextcloud/security-advisories/security/advisories/GHSA-3m6r-479j-4chfmitrex_refsource_CONFIRM
- github.com/nextcloud/spreed/pull/8651mitrex_refsource_MISC
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