CVE-2026-65917
IDOR in CyberPanel backups lets authenticated users access, delete, or restore other tenants' backups.
Is CVE-2026-65917 being exploited?
Not confirmed. CVE-2026-65917 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 0.51% probability of exploitation in the next 30 days.
How severe is CVE-2026-65917?
CVE-2026-65917 is rated High with a CVSS score of 8.7. 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-2026-65917?
Yes. A fix has been recorded for CVE-2026-65917. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-65917 affect?
CVE-2026-65917 affects CyberPanel <= 1.9.1, IncBackups incremental-backup handlers (deleteBackup, fetchRestorePoints, restorePoint). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-65917?
Update CyberPanel to patched commit/version; restrict panel access and verify/restore backups.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated users can enumerate IncJob IDs to read backup metadata, irrecoverably delete backups, or trigger root-privileged restores of other tenants.
Immediate action required
- affected<= 1.9.1
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.