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TI-2019-11712 Aliases CVE-2019-15613GHSA-rc6x-59rr-4g8r

Improper input validation in Nextcloud Server

Priority LOW 37CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-345.

Summary

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes.

Why it matters now

EPSS 0.0113 66th 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 Server17.0.2—No fix listedCNA
  • Nextcloud Server Vendor— Affected 17.0.2 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:*before 15.0.14; 16.0.0 to before 16.0.7; 17.0.0 to before 17.0.2Vulnerablenextcloud
cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:*sle-15 sp1VulnerableopenSUSE
  • cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:*:*:*:* Versions before 15.0.14; 16.0.0 to before 16.0.7; 17.0.0 to before 17.0.2 Vulnerable ·nextcloud
  • cpe:2.3:o:opensuse:backports:sle-15:sp1:*:*:*:*:*:* Versions sle-15 sp1 Vulnerable ·openSUSE

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Nextcloud Server — openSUSE-SU-2020:0220

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2019-11720 Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to…Priority LOW 31
    • TI-2019-11722 Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's…Priority LOW 28
    • TI-2020-06536 Server-side request forgery in Nextcloud ServerPriority LOW 25
  • Advisory ·

    Nextcloud Server — openSUSE-SU-2020:0229

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2019-11720 Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to…Priority LOW 31
    • TI-2019-11722 Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's…Priority LOW 28
    • TI-2020-06536 Server-side request forgery in Nextcloud ServerPriority LOW 25

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-15613
  2. 2026-10-03 Alias added: GHSA-rc6x-59rr-4g8r

References

Sources