CVE-2026-11403

Description

A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access to repository operations as a targeted user. A format-specific API key realm (NuGet API Key, Docker Bearer Token, or npm Bearer Token) must be enabled and the targeted user must have an active API key for this vulnerability to be exploitable.

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Weakness Type (CWE)

CWE-331 CWE-331

References

Other References

https://help.sonatype.com/en/sonatype-nexus-repository-3-93-0-release-notes.html https://support.sonatype.com/hc/en-us/articles/52347011450515/

Frequently Asked Questions

What is CVE-2026-11403? +

A vulnerability in Sonatype Nexus Repository Manager's format-specific API key generation may allow a remote attacker to gain unauthorized access to repository operations as a targeted user. A format-specific API key realm (NuGet API Key, Docker Bearer Token, or npm Bearer Token) must be enabled and the targeted user must have an active API key for this vulnerability to be exploitable.

How do I check if I'm vulnerable to CVE-2026-11403? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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