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Vulnerability record · CVE-2026-14644 · published 7 August 2026

CVE-2026-14644: Sonatype nexus repository manager type confusion vulnerability

Sonatype · Nexus Repository Manager

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.

8.6 CVSS 4.0 High EPSS 0.34% · top 75.4% CWE-843 · Type confusion
8.6CVSS 4.0 base score
0.34%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
22 Sep 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html Release Notes
https://support.sonatype.com/hc/en-us/articles/53157550694675 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2019-7238Sonatype Nexus Repository Manager incorrect access control allows RCESonatype Nexus Repository Manager before 3.15.0 has incorrect access control, and the vendor advisory describes it as missing access controls leading…KEVEPSS 77%analysed9.8CVE-2019-9629Sonatype nexus repository manager improper authentication vulnerabilitySonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed credentials).EPSS 1.5%9.8CVE-2017-17717Sonatype nexus repository manager broken cryptographic algorithm vulnerabilitySonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP integration feature.EPSS 0.71%9.4CVE-2026-3199Sonatype nexus repository manager deserialization of untrusted data vulnerabilityA vulnerability in the task management component of Sonatype Nexus Repository versions 3.22.1 through 3.90.2 allows an authenticated attacker with ta…EPSS 0.77%9.2CVE-2026-5189Sonatype nexus repository manager hard-coded credentials vulnerabilityCWE-798: Use of Hard-coded Credentials in Sonatype Nexus Repository Manager versions 3.0.0 through 3.70.5 allows an unauthenticated attacker with net…EPSS 0.62%8.9CVE-2026-17601Sonatype nexus repository manager missing authorization vulnerabilityA user holding a permission to update privilege definitions could modify a wildcard privilege already assigned to their own role to grant broader per…EPSS 0.29%8.8CVE-2020-15871Sonatype nexus repository manager vulnerabilitySonatype Nexus Repository Manager OSS/Pro version before 3.25.1 allows Remote Code Execution.EPSS 2.2%8.8CVE-2020-11753Sonatype nexus repository manager incorrect authorization vulnerabilityAn issue was discovered in Sonatype Nexus Repository Manager in versions 3.21.1 and 3.22.0. It is possible for a user with appropriate privileges to …EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2026-14644), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.