CVE-2023-26041

MEDIUM 4.3CVE-2023-26041 · Published 27/02/2023 · updated 17/06/2026

In short

CVE-2023-26041 is a MEDIUM (CVSS 4.3) vulnerability affecting nextcloud talk (nextcloud).
Chance of exploitation in the next 30 days (EPSS): 0.80%, higher than 56.6% of all vulnerabilities.
Fix: update to 15.0.3 or later.

Package	Affected versions	Patched versions
nextcloud talk nextcloud	`≥ 15.0.0, < 15.0.3`	`15.0.3`

Description

Nextcloud Talk is a fully on-premises audio/video and chat communication service. When cron jobs were misconfigured and therefore messages are not expired, the API would still return them while they were then hidden by the frontend code. It is recommended that the Nextcloud Talk is upgraded to 15.0.3. There are no workaround available.

References

nextcloud/security-advisories security advisory · Vendor Advisory
nextcloud/spreed#8515 · Patch
hackerone.com/reports/1784310 · Exploit

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