What is CVE-2023-26041?

CVE-2023-26041 is a low-severity vulnerability in Nextcloud Talk, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 2.6/10. Published 2023-02-27.

How severe is CVE-2023-26041?

Low severity. CVSS v3 base score is 2.6 out of 10.

Vulnerability in Nextcloud Talk

CVE-2023-26041

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.

Published 2023-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.6 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.8th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Nextcloud Talk
Nextcloud Security-Advisories — versions < 15.0.3

Weakness classification (CWE)

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-j53p-r755-v4jf (Vendor Advisory)
github.com/nextcloud/spreed/pull/8515 (Patch)
hackerone.com/reports/1784310 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-26041?: CVE-2023-26041 is a low-severity vulnerability in Nextcloud Talk, classified under Exposure of Private Personal Information to an Unauthorized Actor. CVSS score: 2.6/10. Published 2023-02-27.
How severe is CVE-2023-26041?: Low severity. CVSS v3 base score is 2.6 out of 10.