Deserialization Vulnerability in Lenve VHR Product by Unknown Vendor
CVE-2026-90490

5.3MEDIUM

Key Information:

Vendor

Lenve

Status
Vhr
Vendor
CVE Published:
13 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90490?

A security flaw has been identified in the Lenve VHR version 1.0-SNAPSHOT, specifically within the MailReceiver component. This vulnerability allows for remote deserialization attacks, which can be exploited by attackers using specially crafted inputs, leading to potential manipulation of application data and unauthorized actions. Despite prior notification attempts, the vendor has yet to respond to the disclosure, raising concerns about the impact and urgency of the issue. Organizations utilizing this product should take immediate steps to mitigate potential risks.

Affected Version(s)

vhr 1.0-SNAPSHOT

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-90490 - Proof of Concept

References

https://vuldb.com/vuln/403078
vdb-entry
https://vuldb.com/vuln/403078/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90490
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

huluwa888 (VulDB User)
VulDB CNA Team
.