CVE-2026-30966
Critical: Parse Server RBAC bypass via internal relation tables exposed through API
Is CVE-2026-30966 being exploited?
Not confirmed. CVE-2026-30966 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 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-30966?
CVE-2026-30966 is rated Critical with a CVSS score of 10.0. 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-2026-30966?
Yes. A fix has been recorded for CVE-2026-30966. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-30966 affect?
CVE-2026-30966 affects Parse Server < 9.5.2-alpha.7, Parse Server < 8.6.20. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-30966?
Upgrade to 9.5.2-alpha.7 or 8.6.20 or newer
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Attacker can read/write/delete internal relation tables via REST/GraphQL with app key, bypass CLP, gaining full role permissions.
Immediate action required
- affected>= 9.0.0 and < 9.5.2-alpha.7
- affected< 8.6.20
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.