CVE-2023-26041: nextcloud nextcloud_talk
Vulnerability summary
CVE-2023-26041 is a medium (CVSS 4.3) vulnerability in nextcloud nextcloud_talk. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 55.8% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 27-02-2023PublishedVulnerability first disclosed.
- 10-03-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA2.6LowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.80% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-359Exposure of Private Personal Information to an Unauthorized ActorThe product does not properly prevent a person's private, personal information from being accessed by actors who either (1) are not explicitly authorized to access the information or (2) do not have the implicit consent of the person about whom the information is collected.
- CWE-668Exposure of Resource to Wrong SphereThe product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
Affected systems
Nextcloud2 products
- nextcloud_talk≥ 15.0.0, < 15.0.3
- security-advisories< 15.0.3
1 vendor · 2 products
References
3 links- github.com/nextcloud/security-advisories/security/advisories/GHSA-j53p-r755-v4jfX Refsource CONFIRMVendor Advisory