CVE-2026-68493: Nextcloud Server vulnerability
Nextcloud · Server
Affected: Nextcloud Server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 13% of scored CVEs
DescriptionCVE.org
After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Nextcloud · Serverfrom 32.0.0 up to and including 34.0.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Weakness
- Insecure Direct Object Reference
- Vendor
- Nextcloud
- Published
- September 2026
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2026-68493
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- Team membership information returned on API level based on IDNextcloud · 2026 · low severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2026-68493 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.