Nexus Repository 3 - Wildcard Privilege Update Self-Escalation to Administrator

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-17601
StatePUBLISHED
AssignerSonatype
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-07 17:17:01 UTC
Updated2026-09-23 15:57:42 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 8.9 HIGH from 103e4ec9-0a87-450b-af77-479448ddef11

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/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:X/V:X/RE:X/U:X

EPSS: 0.002480000 probability, percentile 0.164440000 (date 2026-09-23)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
4.0103e4ec9-0a87-450b-af77-479448ddef11Secondary8.9HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/E:X/C...
4.0CNACVSS8.9HIGHCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
3.1[email protected]Primary7.2HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
Present
Privileges Required
Low
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Sub Conf.
High
Sub Integrity
High
Sub Availability
Low

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L/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:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Sonatype Nexus Repository Manager All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Sonatype Nexus Repository 3 affected 3.19.0 3.95.0 semver Not specified

References

ReferenceSourceLinkTags
support.sonatype.com/hc/en-us/articles/53889365883539 103e4ec9-0a87-450b-af77-479448ddef11 support.sonatype.com Vendor Advisory
help.sonatype.com/en/sonatype-nexus-repository-3-95-0-release-notes.html 103e4ec9-0a87-450b-af77-479448ddef11 help.sonatype.com Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Beni Saprulah (HackerOne: https://hackerone.com/bebensap, LinkedIn: https://www.linkedin.com/in/beni-saprulah) (en)

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