GHSA-7XCV-9J6C-2FMC

Vulnerability from github – Published: 2025-11-18 21:32 – Updated: 2025-11-18 22:08
VLAI?
Summary
Modular Max Serve has Unsafe Deserialization vulnerability
Details

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 ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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{
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "modular"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "25.6.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-60455"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-11-18T22:08:39Z",
    "nvd_published_at": "2025-11-18T19:15:49Z",
    "severity": "CRITICAL"
  },
  "details": "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.",
  "id": "GHSA-7xcv-9j6c-2fmc",
  "modified": "2025-11-18T22:08:39Z",
  "published": "2025-11-18T21:32:31Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-60455"
    },
    {
      "type": "WEB",
      "url": "https://github.com/modular/modular/issues/4795"
    },
    {
      "type": "WEB",
      "url": "https://github.com/modular/modular/commit/10620059fb5c47fb0c30e5d21a8ff3b8d622fba4"
    },
    {
      "type": "WEB",
      "url": "https://github.com/modular/modular/commit/b20e749fa892dbe772e890a268002f732164d9f5"
    },
    {
      "type": "WEB",
      "url": "https://github.com/modular/modular/commit/ee9c4ab02345dd30bed8b79771b6909ff1b930a1"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/modular/modular"
    },
    {
      "type": "WEB",
      "url": "https://github.com/modular/modular/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220"
    },
    {
      "type": "WEB",
      "url": "https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Modular Max Serve has Unsafe Deserialization vulnerability"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.