CVE-2025-47792: nextcloud desktop Improper Access Control
Vulnerability summary
CVE-2025-47792 is a medium (CVSS 6.1) Improper Access Control vulnerability in nextcloud desktop. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.5% of scored vulnerabilities.
Timeline
- 16-05-2025PublishedVulnerability first disclosed.
- 16-05-2025Last modifiedVulnerability information updated.
Description
Nextcloud Desktop is the desktop sync client for Nextcloud. In versions of Nextcloud Desktop prior to 3.15, 3rdparty applications already installed on a user machine can create link shares for almost all data via the socket API. These shares can then be easily sent off to an external service. Nextcloud Desktop fixes the issue in version 3.15. No known workarounds are available.
CVSS metrics
4 scores · 4 sources · 1 version- CVE.orgCNA5.0MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:NDiffers
- OSV · UbuntuEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- OSV · DebianEcosystem advisory · calculated6.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
EPSS trend
Probability
0.18%
Chance of exploitation in the next 30 days
Percentile
8%
Versus all other CVEs
30-day change
+0.01 pp
From 0.18% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nextcloud2 products
- desktop< 3.15.0
- security-advisories< 3.15
Debian1 product
- nextcloud-desktopAll versions (No fix recorded) | < 3.15.0-1
Ubuntu1 product
- nextcloud-desktopAll versions (No fix recorded)
3 vendors · 4 products
References
6 links- github.com/nextcloud/security-advisories/security/advisories/GHSA-qm2f-959g-7p65X Refsource CONFIRMREPORTThird Party Advisory