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TI-2019-11709 Aliases CVE-2019-15610GHSA-5jc8-jgjw-38vr

Improper authorization in Nextcloud Circles

Priority LOW 22CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-285.

Summary

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

Why it matters now

EPSS 0.00831 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Nextcloud Circles17.0.7—No fix listedCNA
  • Nextcloud Circles Vendor— Affected 17.0.7 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:*before 0.16.11; 0.16.12 to before 0.17.8Vulnerablenextcloud
  • cpe:2.3:a:nextcloud:circles:*:*:*:*:*:*:*:* Versions before 0.16.11; 0.16.12 to before 0.17.8 Vulnerable ·nextcloud

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-15610
  2. 2026-10-03 Alias added: GHSA-5jc8-jgjw-38vr

References

Advisory 2

  • TI-2021-15505 Secret Circle can be joined without approval in Nextcloud Circles CVSS 3.1MEDIUM 6.5
  • TI-2021-12449 Cross-Site Scripting in Nextcloud Circles CVSS 3.1MEDIUM 5.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences