Vulnerability · Published Jan 14, 2026 · Assigned by Sonatype

CVE-2026-0600Nexus Repository 3 - Server-Side Request Forgery in Proxy Repository Configuration

Medium 6.2

In plain English

A medium-severity server-side request forgery in Nexus Repository from Sonatype. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 4.0)6.2Medium

Exploit odds (30 days)0.3%top 75.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Server-Side Request Forgery (SSRF) vulnerability in Sonatype Nexus Repository 3 versions 3.0.0 and later allows authenticated administrators to configure proxy repositories with URLs that can access unintended network destinations, potentially including cloud metadata services and internal network resources. A workaround configuration is available starting in version 3.88.0, but the product remains vulnerable by default.

Affected products (as reported)

Vendor	Product	Versions
Sonatype	Nexus Repository	3.0.0 – before *

Weakness: CWE-918 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N

References

https://support.sonatype.com/hc/en-us/articles/47928855816595 vendor-advisory