Affects widely-used Nexus Repository Manager; authenticated RCE risk via task management, impacting DevOps pipelines.
CVE-2026-3199
Authenticated user can execute arbitrary code via Nexus Repository task management.
Is CVE-2026-3199 being exploited?
Not confirmed. CVE-2026-3199 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2026-3199?
CVE-2026-3199 is rated Critical with a CVSS score of 9.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-3199?
Yes. A fix has been recorded for CVE-2026-3199. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-3199 affect?
CVE-2026-3199 affects Sonatype Nexus Repository Manager (versions 3.22.1–3.90.2). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-3199?
Patch to fixed version; validate task permissions.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Code execution by an authorized user via task creation; bypasses nexus.scripts.allowCreation.
Immediate action required
- affected>= 3.22.1 and < 3.91.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.