Cyber Posture

CVE-2026-8751

High

Published: 17 May 2026

Published
17 May 2026
Modified
18 May 2026
KEV Added
Patch
CVSS Score 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0004 11.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-8751 is a high-severity Improper Input Validation (CWE-20) vulnerability in Wetolink (inferred from references). Its CVSS base score is 7.3 (High).

Operationally, ranked at the 11.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20 CWE-502

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20 CWE-502

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-502

Penetration testing supplies malicious serialized objects, detecting unsafe deserialization and supporting corrective actions.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-502

Untrusted serialized data can be deserialized and observed inside the chamber, blocking gadget-chain exploitation outside the sandbox.

addresses: CWE-502

Identifies and blocks malicious code introduced through deserialization of untrusted data at system boundaries.

addresses: CWE-502

Integrity verification of serialized information can detect tampering before deserialization occurs.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

NVD Description

A security flaw has been discovered in h2oai h2o-3 up to 7402. This affects the function importBinaryModel of the file h2o-core/src/main/java/hex/Model.java of the component JAR Handler. Performing a manipulation results in deserialization. The attack is possible to be carried out…

more

remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

Affected Products

Wetolink
inferred from references and description; NVD did not file a CPE for this CVE

CVEs Like This One

CVE-2024-13136Shared CWE-20, CWE-502
CVE-2025-2855Shared CWE-20, CWE-502
CVE-2025-0841Shared CWE-20, CWE-502
CVE-2025-2622Shared CWE-20, CWE-502
CVE-2025-2689Shared CWE-20, CWE-502
CVE-2025-2690Shared CWE-20, CWE-502
CVE-2025-2043Shared CWE-20, CWE-502
CVE-2025-0465Shared CWE-20, CWE-502
CVE-2025-15438Shared CWE-20, CWE-502
CVE-2026-1691Shared CWE-20, CWE-502

References