CVE-2026-113369 PUBLISHED

Nexus Repository 3 - Stored Cross-Site Scripting in OCI Attestations Tab

Assigner: Sonatype
Reserved: 20.10.2026 Published: 04.11.2026 Updated: 04.11.2026

Sonatype Nexus Repository 3 allows a user account that can push manifests to a hosted OCI repository (a user account that holds the edit permission on that repository) to store script content in the artifact type field of an OCI manifest. The script runs in the browser of a user who opens the Attestations tab for the related image in the Browse user interface, with the permissions of the viewing user.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
CVSS Score: 6.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	High
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Sonatype
Product	Nexus Repository 3
Versions	Default: unaffected affected from 3.94.0 to 3.98.0 (excl.)

Credits

Nguyen Truong Son (truongson526@gmail.com) finder

References

Problem Types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE