Reference page — cumulative record through Saturday, October 3, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-93984

CVE-2026-93984MEDIUM

Openpanel-dev openpanel — OpenPanel API through 2.3.0 Authentication Bypass via Unverified Client Secret

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   N   N   L   N    6.9   .0042   33.5     —

AFFECTED
  Product    Versions     Fixed
  openpanel  unspecified  —

TIMELINE
  Sep 19  Reserved by VulnCheck
  Sep 19  Published (CNA: VulnCheck)
  Sep 22  EXPLOIT PUBLISHED — CVE-2026-93984 (Openpanel-dev openpanel). Public exploit reference added.
  Oct 2   EXPLOIT PUBLISHED — CVE-2026-93984 (Openpanel-dev openpanel). Public exploit reference added.

CWE-287 · CNA: VulnCheck · CVSS v4.0 · 3 references · NVD status: Deferred

Description

OpenPanel tracking API through 2.3.0 fails to verify client secret cryptographic hash before authorizing revenue events and bot filtering. Attackers with only a public client ID can supply arbitrary dummy secrets to inject forged revenue metrics and bypass bot detection filters.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
September 19, 2026	Reserved	Reserved by VulnCheck
September 19, 2026	Published	Published (CNA: VulnCheck)
September 22, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-93984 (Openpanel-dev openpanel). Public exploit reference added.
October 2, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-93984 (Openpanel-dev openpanel). Public exploit reference added.

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Openpanel-dev	openpanel	—	—	—

Weaknesses

CWE-287

References (3)

https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-956w-65qh-w3jh
https://www.vulncheck.com/advisories/openpanel-api-authentication-bypass-via-unverified-client-secret
ttps://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-956w-65qh-w3jh

Authoritative record: CVE-2026-93984 at cve.org

Vendors: openpanel-dev

Weaknesses: CWE-287

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-93984 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 Saturday, October 3, 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.