CVE-2026-108798

ZKTeco BioTime hard-coded key

CVSS score

6.9

EPSS probability

—

Risk score

0.7

Published

18 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

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Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

ZKTeco BioTime Hard-Coded Cryptographic Key Vulnerability

Sources read

Source agreement

Tam uyum

Evidence confidence

%53

Short explanation

A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206, resulting in the use of a hard-coded cryptographic key. This issue can be launched remotely and affects confidentiality, integrity, and availability. The vendor was contacted but did not respond.

Why does it matter?

The remote attack vector and lack of vendor response create security risks for deployments. The patch status remains unverified.

What should be done?

Follow vendor advisories and guidance
Apply available patches when provided

Note on uncertainty

The sources give limited detail on some technical conditions. Review the chain of evidence below before deciding how to act.

Chain of evidence and sources2 verified claims

ZKTeco BioTime 9.5.6 Build 20260130.3206 sürümünde sert kodlanmış kriptografik anahtar kullanımına neden olan bir zafiyet bulunmaktadır.

S0 · daybreach-canonical S1 · nvd

Saldırı uzaktan gerçekleştirilebilmekte olup satıcı bildirime yanıt vermemiştir.

S0 · daybreach-canonical S1 · nvd

Show the technical text from the sources

A vulnerability was found in ZKTeco BioTime 9.5.6 Build 20260130.3206. This issue affects some unknown processing. The manipulation results in use of hard-coded cryptographic key . The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

CWE: CWE-321, CWE-320

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108798 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	zkteco	biotime	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
7.5	CVSS V2_0	—	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:ND/RC:UR	CVE CNA
7.5	CVSS V2	—	AV:N/AC:L/Au:N/C:P/I:P/A:P	NVD
7.3	CVSS V3_1	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R	CVE CNA
7.3	CVSS V3_0	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R	CVE CNA
7.3	CVSS V31	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD
6.9	CVSS V4_0	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	CVE CNA
6.9	CVSS V40	MEDIUM	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108798 is associated with the following CWEs:

CWE-321: Common Weakness Enumeration Entry CWE-321 CWE-320: Common Weakness Enumeration Entry CWE-320

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-108798 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden

PermissionsGerekmiyor

UserGerekmiyor

Official Sources and Advisories

VDB-416575 | ZKTeco BioTime hard-coded keyvendor-advisory VDB-416575 | CTI Indicators (IOB, IOC, TTP)vendor-advisory CVE-2026-108798 | CVE Analysis and Reportvendor-advisory Submit #961812 | ZKTeco BioTime 9.5.6 Build 20260130.3206 Cryptographic Issuesvendor-advisory

CVSS Vector Radar Chart

6.9 / 10

Vulnerability Scoring Details

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone required

User InteractionNone required

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)Low

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

zkteco

Weakness Type (CWE & CAPEC)

CWE-321 CWE-320

Similar Vulnerabilities

7.5

CVE-2023-38950 Actively exploited

ZKTeco BioTime Database Migration Functionality db_migrate_setting sql injection

VendorzktecoProductbiotime

Patch status unknown19 h ago

Get this vulnerability through the API

Affected products, version ranges, exploitation status and patch information in a single request, with a free key.

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