How to fix CVE-2025-60455?

Within 7 days: Identify all affected systems running Modular Max Serve and apply vendor patches promptly. Restrict deserialization to trusted data sources and implement integrity checks.

Is Deserialization affected by CVE-2025-60455?

Organizations using Modular Max Serve face notable risk from CVE-2025-60455, a insecure deserialization vulnerability rated CVSS 8.4. Insecure deserialization could allow attackers to execute arbitrary code by providing crafted serialized data.

CVE-2025-60455

HIGH

2025-11-18 [email protected]

8.4

CVSS 3.1

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

Patch Released

Mar 28, 2026 - 19:22 nvd

Patch available

PoC Detected

Jan 08, 2026 - 17:02 vuln.today

Public exploit code

CVE Published

Nov 18, 2025 - 19:15 nvd

HIGH 8.4

Description

Unsafe Deserialization vulnerability in Modular Max Serve before 25.6, specifically when the "--experimental-enable-kvcache-agent" feature is used allowing attackers to execute arbitrary code.

Analysis

Unsafe Deserialization vulnerability in Modular Max Serve before 25.6, specifically when the "--experimental-enable-kvcache-agent" feature is used allowing attackers to execute arbitrary code. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical Context

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. Unsafe Deserialization vulnerability in Modular Max Serve before 25.6, specifically when the "--experimental-enable-kvcache-agent" feature is used allowing attackers to execute arbitrary code. Affected products include: Modular Max. Version information: before 25.6.

Affected Products

Modular Max.

Remediation

A vendor patch is available. Apply the latest security update as soon as possible. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +42

POC: +20

CVE-2025-60455 vulnerability details – vuln.today

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CVE-2025-60455

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CVE-2025-60455

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code