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CVE-2026-112848: Deserialization of Untrusted Data in AivahThemes Hostme v2

0
Critical
VulnerabilityCVE-2026-112848cvecve-2026-112848
Published: 10/23/2026 (10/23/2026, 13:00:20 UTC)
Source: CVE Database V5
Vendor/Project: AivahThemes
Product: Hostme v2

Description

CVE-2026-112848 is a critical deserialization of untrusted data vulnerability in AivahThemes Hostme v2. This flaw allows object injection, potentially leading to full compromise of confidentiality, integrity, and availability. It affects Hostme v2 versions from 0 up to and including 7.0. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity. No patch or remediation information is provided in the available data.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

AivahThemes

Hostme v2

Affected versions
>=0 <=7.0

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 10/23/2026, 13:31:12 UTC

Technical Analysis

The vulnerability CVE-2026-112848 in AivahThemes Hostme v2 involves deserialization of untrusted data, which enables object injection attacks. This type of vulnerability can allow an attacker to execute arbitrary code or manipulate application logic by injecting malicious serialized objects. The affected versions include all releases from initial up to 7.0. The CVSS 3.1 vector indicates the attack can be performed remotely without privileges or user interaction, with high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation of this vulnerability can lead to complete compromise of the affected system, including unauthorized code execution and full control over the application. The critical CVSS score reflects the high risk to confidentiality, integrity, and availability of the Hostme v2 application.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider restricting access to the vulnerable application and monitoring for suspicious activity related to object injection attempts.

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Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-10-19T19:23:59.819Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6adb5e1d4d27ba8daa2a7a7c

Added to database: 10/23/2026, 13:16:13 UTC

Last enriched: 10/23/2026, 13:31:12 UTC

Last updated: 10/23/2026, 15:26:05 UTC

Views: 8

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