CVE-2026-65916 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-65916HIGH

usmannasir cyberpanel — CyberPanel Missing Authorization in cancelBackupCreation Handler

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   L   N   N   H   H    7.2   .0034   26.7     —

AFFECTED
  Product     Versions     Fixed
  cyberpanel  unspecified  b1984603f9b0099b39bca46fea176e53b6d4d601

TIMELINE
  Jul 23  Reserved by VulnCheck
  Jul 23  Published (CNA: VulnCheck)
  Jul 24  EXPLOIT PUBLISHED — CVE-2026-65916 (usmannasir cyberpanel). Public exploit reference added.

CWE-862 · CNA: VulnCheck · CVSS v4.0 · 3 references · NVD status: Deferred

Description

CyberPanel through 1.9.1, fixed in commit b198460, contains a missing authorization vulnerability in the cancelBackupCreation handler that allows authenticated users to kill, delete, and corrupt other tenants' backups. Attackers can send crafted POST requests with arbitrary backupCancellationDomain and fileName parameters to terminate backup processes, delete backup archives, corrupt backup status files, and remove database records belonging to other tenants.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 23, 2026	Reserved	Reserved by VulnCheck
July 23, 2026	Published	Published (CNA: VulnCheck)
July 24, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-65916 (usmannasir cyberpanel). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
usmannasir	cyberpanel	—	—	b1984603f9b0099b39bca46fea176e53b6d4d601

Weaknesses

CWE-862

References (3)

https://github.com/usmannasir/cyberpanel/commit/b1984603f9b0099b39bca46fea176e53b6d4d601 [patch]
https://github.com/usmannasir/cyberpanel/issues/1829 [technical-description, exploit, issue-tracking]
https://www.vulncheck.com/advisories/cyberpanel-missing-authorization-in-cancelbackupcreation-handler [third-party-advisory]

Authoritative record: CVE-2026-65916 at cve.org

Vendors: usmannasir

Weaknesses: CWE-862

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-65916 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.