How severe is CVE-2026-3199?

CVE-2026-3199 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-3199 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3199?

CVE-2026-3199 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3199?

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-2026-3199 have an EU (EUVD) identifier?

Yes. CVE-2026-3199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20756.

When was CVE-2026-3199 published?

CVE-2026-3199 was published on 2026-04-08 and last updated on 2026-09-18.

CVE-2026-3199

CVE-2026-3199 is a high-severity vulnerability in Sonatype Nexus Repository Manager with a CVSS 3.x base score of 8.8. 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-502.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 9.4
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20756
Weakness: CWE-502
Affected product: Sonatype Nexus Repository Manager
Published: 2026-04-08
Last modified: 2026-09-18

Description

A vulnerability in the task management component of Sonatype Nexus Repository versions 3.22.1 through 3.90.2 allows an authenticated attacker with task creation permissions to execute arbitrary code, bypassing the nexus.scripts.allowCreation security control.

Frequently asked questions

What is CVE-2026-3199?: A vulnerability in the task management component of Sonatype Nexus Repository versions 3.22.1 through 3.90.2 allows an authenticated attacker with task creation permissions to execute arbitrary code, bypassing the nexus.scripts.allowCreation security control.
How severe is CVE-2026-3199?: CVE-2026-3199 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-3199 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3199?: CVE-2026-3199 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3199?: 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-2026-3199 have an EU (EUVD) identifier?: Yes. CVE-2026-3199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20756.
When was CVE-2026-3199 published?: CVE-2026-3199 was published on 2026-04-08 and last updated on 2026-09-18.

References

Affected products (1)

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

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