How severe is CVE-2026-3329?

CVE-2026-3329 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-3329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3329?

CVE-2026-3329 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3329?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-3329 have an EU (EUVD) identifier?

Yes. CVE-2026-3329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36268.

When was CVE-2026-3329 published?

CVE-2026-3329 was published on 2026-06-11 and last updated on 2026-07-21.

CVE-2026-3329

CVE-2026-3329 is a high-severity vulnerability in Sonatype Nexus Repository Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.7
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36268
Weakness: CWE-307
Affected product: Sonatype Nexus Repository Manager
Published: 2026-06-11
Last modified: 2026-07-21

Description

A remote unauthenticated attacker may be able to conduct credential-guessing attacks against user accounts in Sonatype Nexus Repository via authentication endpoints.

Frequently asked questions

What is CVE-2026-3329?: A remote unauthenticated attacker may be able to conduct credential-guessing attacks against user accounts in Sonatype Nexus Repository via authentication endpoints.
How severe is CVE-2026-3329?: CVE-2026-3329 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-3329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3329?: CVE-2026-3329 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-3329 have an EU (EUVD) identifier?: Yes. CVE-2026-3329 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36268.
When was CVE-2026-3329 published?: CVE-2026-3329 was published on 2026-06-11 and last updated on 2026-07-21.

References

Affected products (1)

cpe:2.3:a:sonatype:nexus_repository_manager:*:*:*:*:*:*:*:*

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