CVE-2026-97666
Medium
Description
Sonatype Nexus Repository 3 allows an unauthenticated remote attacker to supply attacker-controlled input to a Java class loading call through an ExtDirect endpoint. This allows the attacker to learn whether specific classes are present in the application. The issue does not by itself allow code execution.
SeverityMedium
CVSS6.9
Exploit probability—
ProductSonatype Nexus Repository Manager
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-470CWE-470
How to fix
Update
- sonatype nexus_repository_manager3.97.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sonatype nexus_repository_manager | 3.0.0 ≤ v < 3.97.0 | 3.97.0 |
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