High severity · published Aug 7, 2026
CVE-2026-17601
Nexus Repository 3 - Wildcard Privilege Update Self-Escalation to Administrator
7.2
CVSS
0.5%
EPSS
No
On KEV
Description
A user holding a permission to update privilege definitions could modify a wildcard privilege already assigned to their own role to grant broader permissions than they were authorized to hold, including full administrative access, without any additional authorization check or role reassignment.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NR
Nexus Repository 3 · Sonatype
3.19.0 before 3.95.0 · source: vendor
NR
Nexus Repository Manager · Sonatype
3.19.0 before 3.95.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-17601
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-17601
Release Notes
https://help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html
Vendor Advisory
https://support.sonatype.com/hc/en-us/articles/53889365883539/
More from Nexus Repository 3
9.8
CVE-2019-7238
Sonatype Nexus Repository Manager Incorrect Access Control Vulnerability
9.8
CVE-2026-5189
Nexus Repository 3 - Hardcoded Credential in Internal Database Component
9.8
CVE-2019-9629
Sonatype Nexus Repository Manager before 3.17.0 establishes a default administrator user with weak defaults (fixed credentials)
9.8
CVE-2017-17717
Sonatype Nexus Repository Manager through 2.14.5 has weak password encryption with a hardcoded CMMDwoV value in the LDAP integration feature
8.8
CVE-2026-17600
Nexus Repository 3 - Session Not Invalidated on User Account Deletion or Deactivation