CVE-2025-60455

HIGH

Modular Max Serve <25.6 - Code Injection

Title source: llm

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.

References (6)

[Broken Link] https://github.com/modular/modular/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220

[Patch] https://github.com/modular/modular/commit/10620059fb5c47fb0c30e5d21a8ff3b8d622fba4

[Patch] https://github.com/modular/modular/commit/b20e749fa892dbe772e890a268002f732164d9f5

[Patch] https://github.com/modular/modular/commit/ee9c4ab02345dd30bed8b79771b6909ff1b930a1

[Issue Tracking, Patch] https://github.com/modular/modular/issues/4795

[Exploit, Third Party Advisory] https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem

Scores

CVSS v3 8.4

EPSS 0.0003

EPSS Percentile 9.2%

Attack Vector LOCAL

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

Classification

CWE

CWE-502

Status published

Affected Products (2)

modular/max < 25.6.0

pypi/modular < 25.6.0PyPI

Timeline

Published Nov 18, 2025

Tracked Since Feb 18, 2026