CVE-2026-21721
Privilege escalation via dashboard permissions API across dashboards
Is CVE-2026-21721 being exploited?
Not confirmed. CVE-2026-21721 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 0.69% probability of exploitation in the next 30 days.
How severe is CVE-2026-21721?
CVE-2026-21721 is rated High with a CVSS score of 8.1. 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-2026-21721?
Yes. A fix has been recorded for CVE-2026-21721. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-21721 affect?
CVE-2026-21721 affects Dashboard platform API. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-21721?
Patch when available; restrict cross-dashboard permission changes.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Allows a user with rights on one dashboard to read/modify permissions on other dashboards, enabling internal privilege escalation.
Patch when possible
- affected>= 12.3.0 and < 12.3.1
- affected>= 12.2.0 and < 12.2.3
- affected>= 12.1.0 and < 12.1.5
- affected>= 12.0.0 and < 12.0.8
- affected>= 10.2.0 and < 11.6.9
- affected>= 10.2.0 and < 11.6.9
- affected>= 12.0.0 and < 12.0.8
- affected>= 12.1.0 and < 12.1.5
- affected>= 12.2.0 and < 12.2.3
- affected>= 12.3.0 and < 12.3.1
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.