How severe is CVE-2026-14644?

CVE-2026-14644 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-14644 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-14644?

CVE-2026-14644 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-14644?

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.

When was CVE-2026-14644 published?

CVE-2026-14644 was published on 2026-08-07 and last updated on 2026-09-22.

CVE-2026-14644

CVE-2026-14644 is a high-severity vulnerability in Sonatype Nexus Repository Manager with a CVSS 3.x base score of 7.2. 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-843.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v4: 8.6
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Sonatype Nexus Repository Manager
Published: 2026-08-07
Last modified: 2026-09-22

Description

Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.

Frequently asked questions

What is CVE-2026-14644?: Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.
How severe is CVE-2026-14644?: CVE-2026-14644 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-14644 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-14644?: CVE-2026-14644 affects Sonatype Nexus Repository Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-14644?: 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.
When was CVE-2026-14644 published?: CVE-2026-14644 was published on 2026-08-07 and last updated on 2026-09-22.

References

Affected products (1)

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

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