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CVE-2025-60455

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Date: November 17, 2025

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.

Severity Score

Related Resources (9)

https://github.com/modular/modular/issues/4795
https://nvd.nist.gov/vuln/detail/CVE-2025-60455
https://github.com/modular/modular/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220
https://github.com/modular/modular/commit/ee9c4ab02345dd30bed8b79771b6909ff1b930a1
https://github.com/modular/modular/commit/10620059fb5c47fb0c30e5d21a8ff3b8d622fba4
https://github.com/modular/modular/commit/b20e749fa892dbe772e890a268002f732164d9f5
https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem
https://github.com/modular/modular
https://www.mend.io/vulnerability-database/CVE-2025-60455

Severity Score

Weakness Type (CWE)

Deserialization of Untrusted Data

CWE-502

Top Fix

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Upgrade to version modular - 25.6.0

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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