CVE-2026-618288.5HighCWE-276

CVE-2026-61828: nixos/mysql : `services.mysql` is configured with insecure authentication by default when used with `mysql` or `percona-server`

NixOS · nixpkgs

Affected: NixOS nixpkgs · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.1%probability of exploitation in the next 30 days

4th percentile

050100

Higher than 4% of scored CVEs

8.5HighCVSS 4.0

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

NixOS · nixpkgs< 25.11; >= 26.05-beta, < 26.05

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Incorrect Default Permissions · Access Control
Vendor: NixOS
Published: July 2026
Band: Unlikely (under 1%), July 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-61828 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.