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Description

A reflected cross-site scripting vulnerability exists in Nexus Repository 3 that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser through a specially crafted request requiring user interaction.

PUBLISHED Reserved 2026-01-05 | Published 2026-01-14 | Updated 2026-01-15 | Assigner Sonatype




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Problem types

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

Product status

Default status
unaffected

3.82.0 (semver)
affected

Credits

Piotr Bazydlo (@chudyPB) of watchTowr finder

References

help.sonatype.com/...us-repository-3-88-0-release-notes.html patch

support.sonatype.com/hc/en-us/articles/47934334375955 vendor-advisory

cve.org (CVE-2026-0601)

nvd.nist.gov (CVE-2026-0601)

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