CVE-2025-47791: nextcloud nextcloud_server Server-Side Request Forgery (SSRF)
Vulnerability summary
CVE-2025-47791 is a medium (CVSS 5.3) Server-Side Request Forgery (SSRF) vulnerability in nextcloud nextcloud_server. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.4% of scored vulnerabilities.
Timeline
- 16-05-2025PublishedVulnerability first disclosed.
- 16-05-2025Last modifiedVulnerability information updated.
Description
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server prior to 28.0.13, 29.0.10, and 30.0.3, a currently unused endpoint to verify a share recipient was not protected correctly, allowing to proxy requests to another server. The endpoint was removed in Nextcloud Server 28.0.13, 29.0.10, and 30.0.3 and Nextcloud Enterprise Server 28.0.13, 29.0.10, and 30.0.3. No known workarounds are available.
CVSS metrics
2 scores · 2 sources · 1 version- CVE.orgCNA4.3MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.02 pp
From 0.36% 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
- nextcloud_server≥ 28.0.0, < 28.0.13 | ≥ 29.0.0, < 29.0.10 | ≥ 30.0.0, < 30.0.3
- security-advisories≥ 28.0.0, < 28.0.13 | ≥ 29.0.0, < 29.0.10 | ≥ 30.0.0, < 30.0.3
1 vendor · 2 products
References
2 links- github.com/nextcloud/security-advisories/security/advisories/GHSA-c7vq-m7f8-rx37X Refsource CONFIRMPatchThird Party Advisory