CVE-2026-68493
LOW
3.1
CVSS Score
Published: September 18, 2026 at 01:26 AM UTC
Updated: September 18, 2026 at 08:17 PM UTC
1 product affected across 1 vendorNextcloud/server
Using Server by Nextcloud?
Get instant alerts when new vulnerabilities affect Server - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
LOW3.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Nextcloud/server· Nextcloudnextcloud-app
60%32.0.0 ≤ v ≤ 34.0.032.0.0
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
Source: cverecord
https://hackerone.com/reports/3484601SSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
3.1LOWhackerone
Vector?
Quick Info
StatusAWAITING ANALYSIS
CWE
CWE-639
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card