CVE-2019-5476

Name: CVE-2019-5476
Creator: NVD / NIST
Published: 2019-08-07T17:15:12.637+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.79%

Last modified Jun 17, 2026

CVE-2019-5476 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands.. EPSS estimates a 1.79% chance of exploitation in the next 30 days.

Description

An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.79%

75.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Nextcloud	Lookup-Server	< 0.3.0

References

https://hackerone.com/reports/508487Release Notes, Vendor Advisory
https://hackerone.com/reports/508487Release Notes, Vendor Advisory

Timeline

Published: Aug 7, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-5476?

An SQL Injection in the Nextcloud Lookup-Server < v0.3.0 (running on https://lookup.nextcloud.com) caused unauthenticated users to be able to execute arbitrary SQL commands.

How severe is CVE-2019-5476?

CVE-2019-5476 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.79% probability of exploitation in the next 30 days.

How do I fix CVE-2019-5476?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-5476?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST