CVE-2026-17597: Nexus Repository 3 - Server-Side Request Forgery via Email Configuration Verification

Published Aug 7, 2026
·
Updated

Nexus Repository 3 contains a Server-Side Request Forgery (SSRF) vulnerability in the email configuration verification feature. A user holding the nexus:settings:update permission could submit arbitrary host and port values to the email test/verification endpoint, causing the server to attempt outbound network connections to internal or otherwise restricted network addresses. Differences in the server's response could be used to infer whether internal hosts and ports are reachable. This issue affects Nexus Repository 3 CE/Pro versions up to and including 3.94.1, and is fixed in version 3.95.0.

Affected Software

1 affected component
Sonatype Nexus Repository 3<=3.94.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Nexus Repository 3 to a version that resolves this vulnerability.

    Fixed in 3.95.0

Event History

Aug 7, 2026
CVE Published
via MITRE·04:07 PM
Data Sourced
via MITRE·04:07 PM
DescriptionWeakness
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-17597?

CVE-2026-17597 has a risk rating of 37.

2

How do I fix CVE-2026-17597?

To fix CVE-2026-17597, ensure you upgrade to the patched version of Sonatype Nexus Repository 3 that addresses this vulnerability.

3

What is the impact of CVE-2026-17597?

CVE-2026-17597 allows an attacker to exploit Server-Side Request Forgery via the email configuration verification feature.

4

Who is affected by CVE-2026-17597?

Any user with the nexus:settings:update permission in Sonatype Nexus Repository 3 is at risk of CVE-2026-17597.

5

What type of vulnerability is CVE-2026-17597?

CVE-2026-17597 is classified as a Server-Side Request Forgery (SSRF) vulnerability.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203
CVE-2026-17597 - Nexus Repository 3 - Server-Side Request Forgery via Email Configuration Verification - SecAlerts