Is there a public exploit for CVE-2026-113374?

No public exploit for CVE-2026-113374 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-113374?

CVE-2026-113374 scores CVSS 8.6 (v4.0), rated high.

What does CVE-2026-113374 affect?

CVE-2026-113374 affects Sonatype Nexus Repository 3.

8.6 High

Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability.

CVE-2026-113374

Sonatype Nexus Repository 3 does not require realm administration permission when a user creates a Rut Auth capability. A user who holds only the capability creation permission (nexus:capabilities:create) can create this capability, which turns on header-based authentication for the instance. A remote client can then authenticate as an existing user, including an administrator, without credentials.

Assessment

CVSS: 8.6 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 4 November 2026
Last updated: 4 November 2026
Affected: Sonatype · Nexus Repository 3
Assigner: Sonatype

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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