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CVE-2026-17594 Sonatype CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-07T17:16:59.470Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. This incorrect authorization vulnerability (CWE-863) in Nexus Repository 3 CE/Pro versions 3.0.0 through 3.94.x allows a user with delegated repository-admin privilege scoped to a specific repository format to create a repository of a different, unauthorized format. The vulnerability has a HIGH CVSS score of 8.2, indicating a significant risk. Users of Nexus Repository 3 CE/Pro versions 3.0.0 through 3.94.x should be aware of this vulnerability and take necessary actions to protect their systems.

Vendor
Sonatype
Product
Nexus Repository 3
CVSS
HIGH 8.2
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-07
Original CVE updated
2026-09-01
Advisory published
2026-08-07
Advisory updated
2026-09-01

Who should care

Users of Nexus Repository 3 CE/Pro versions 3.0.0 through 3.94.x should be aware of this vulnerability and take necessary actions to protect their systems. The vulnerability has a HIGH CVSS score of 8.2, indicating a significant risk.

Technical summary

CVE-2026-17594 is an incorrect authorization vulnerability (CWE-863) in Nexus Repository 3 CE/Pro versions 3.0.0 through 3.94.x. The vulnerability allows a user with delegated repository-admin privilege scoped to a specific repository format to create a repository of a different, unauthorized format. This issue is fixed in version 3.95.0 and does not affect the anonymous user by default. The vulnerability has a HIGH CVSS score of 8.2, indicating a significant risk. Affected users should review and apply the vendor-provided fix in version 3.95.0, restrict repository creation privileges to trusted users, and monitor repository creation activities for suspicious behavior.

Defensive priority

Nexus Repository 3 CE/Pro users should prioritize defensive actions due to the HIGH CVSS score of 8.2 for CVE-2026-17594, which relates to an incorrect authorization vulnerability.

Recommended defensive actions

  • Review and apply the vendor-provided fix in version 3.95.0.
  • Restrict repository creation privileges to trusted users.
  • Monitor repository creation activities for suspicious behavior.
  • Verify and limit the delegated repository-admin privilege scope.
  • Implement compensating controls to detect and prevent unauthorized repository creation.

Evidence notes

The CVE-2026-17594 vulnerability affects Nexus Repository 3 CE/Pro versions 3.0.0 through 3.94.x due to incorrect authorization in the repository-creation user interface. Evidence is based on official CVE and NVD records, with additional references from Sonatype. However, further details about the vulnerability's impact and affected configurations are limited in the provided source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-17594 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-17594

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-17594 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-17594

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source reference

    Unverified legacy reference

    URL: https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html

    103e4ec9-0a87-450b-af77-479448ddef11

  • Source reference

    Unverified legacy reference

    URL: https://support.sonatype.com/hc/en-us/articles/53851569407891/

    103e4ec9-0a87-450b-af77-479448ddef11

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.