CVE-2026-68493NVD

Vulnerability Summary

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.

Severity Level

LOW(3.1)

Published Date

Sep 18, 2026

Last Modified

Sep 18, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.14%Probability

Root Weakness (CWE)

CWE-639: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.0 Base Metrics — Score 3.1 (LOW)

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

ConfidentialityLow

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Nextcloud Server >= 32.0.0 and <= 34.0.0

Patched Versions

Nextcloud Server 34.0.0

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