CVE & CISA-KEV Catalog

CVE-2026-61828

HIGH
8.5
CVSS v4
NVD

Description

Nixpkgs is a collection of software packages that can be installed with the Nix package manager. Prior to the 25.11 and 26.05 channel fixes, the NixOS module for MySQL services.mysql initializes the MySQL database in a way that allows local users, such as unprivileged web or CGI processes on the same host, to log in as the root user without a password when the service is used with mysql or percona-server. This issue is fixed in the 25.11 and 26.05.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

TridentStack Control tracks known vulnerabilities across your Windows, macOS, and Linux fleet and shows the fix as soon as one is published. See how it works

CVSS v4 Vector

Exploitability

Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone

Impact

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.15%probability of exploitation in 30 days
5thpercentile

Low risk: more likely to be exploited than 5% of all known CVEs.

References

Related Vulnerabilities

Other CWE-276 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2013-0632Critical9.894%KEV-
CVE-2017-11610High8.887%-Fix
CVE-2023-29919Critical9.160%--
CVE-2019-17124Critical9.823%--
CVE-2020-12608High7.822%-Fix
CVE-2021-3437Critical9.816%-Fix

Common questions

How do I fix CVE-2026-61828?

No published fix for CVE-2026-61828 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2026-61828 being actively exploited?

Not that we know of. CVE-2026-61828 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.15% is the estimated probability that it will be exploited in the next 30 days. That is higher than 5% of all scored CVEs.

How severe is CVE-2026-61828?

CVE-2026-61828 has a CVSS v4 base score of 8.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Embed a live status badge for CVE-2026-61828
CVE-2026-61828 severity badge

Markdown

[![CVE-2026-61828](https://tridentstack.com/cve/badge/CVE-2026-61828.svg)](https://tridentstack.com/cve/CVE-2026-61828)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-61828"><img src="https://tridentstack.com/cve/badge/CVE-2026-61828.svg" alt="CVE-2026-61828"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it worksStart freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-15.