Medium severity · published Sep 19, 2026
CVE-2026-93984
OpenPanel API through 2.3.0 Authentication Bypass via Unverified Client Secret
5.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
openpanel · Openpanel-dev
through 2.3.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-93984
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-93984
vendor-advisory
https://github.com/Openpanel-dev/openpanel/security/advisories/GHSA-956w-65qh-w3jh
third-party-advisory
https://www.vulncheck.com/advisories/openpanel-api-authentication-bypass-via-unverified-client-secret
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