Vulnerability · Published Oct 12, 2026 · Assigned by VulDB

CVE-2026-108796ZKTeco BioTime Biometric Data Endpoint finger_data authorization

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in BioTime from ZKTeco. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 12% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.2%top 87.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A flaw has been found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This affects an unknown part of the file /iclock/finger_data/ of the component Biometric Data Endpoint. Executing a manipulation of the argument emp_code can lead to authorization bypass. The attack can be launched remotely. Upgrading to version 9.5.6 Build 3623 is able to mitigate this issue. You should upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
ZKTeco	BioTime	9.5.6 Build 20260130.3206

Weakness: CWE-639, CWE-285 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C

References

VDB-416573 | ZKTeco BioTime Biometric Data Endpoint finger_data authorization vdb-entry, technical-description
VDB-416573 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-108796 | CVE Analysis and Report third-party-advisory
Submit #961689 | ZKTeco BioTime 9.5.6 Build 20260130.3206 Information Disclosure / Insecure Direct Object Reference third-party-advisory
https://www.zkteco.com/en/Security_Bulletinsibs/27 patch