What’s Vulnerable › Vulnerabilities

CVE-2019-15610

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-04 · updated 2026-06-17
• Weakness: CWE-285

Description

Improper authorization in the Circles app 0.17.7 causes retaining access when an email address was removed from a circle.

Affected products

• Nextcloud Circles: before 0.16.11; from 0.16.12 before 0.17.8 — fixed in 0.16.11, 0.17.8

How to fix

Upgrade to a fixed version: Nextcloud Circles 0.16.11, 0.17.8. Check the vendor advisory for mitigations.

References

• https://hackerone.com/reports/673724
• https://nextcloud.com/security/advisory/?id=NC-SA-2019-013
• https://hackerone.com/reports/673724
• https://nextcloud.com/security/advisory/?id=NC-SA-2019-013

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