{"id":"CVE-2025-60455","aliases":["EUVD-2025-198078","GHSA-7xcv-9j6c-2fmc","PYSEC-2025-253","PYSEC-2026-427"],"status":"published","title":"Modular Max Serve has Unsafe Deserialization vulnerability","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.","severity":{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00333,"percentile":0.26808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-502"],"published":"2025-11-18T00:00:00Z","modified":"2026-11-05T14:10:00Z","fixes":[{"ecosystem":"PyPI","package":"modular","fixed_in":["25.6.0"],"sources":["ghsa","osv"]},{"ecosystem":"PyPI","package":"max","fixed_in":["25.6.0"],"sources":["osv"]}],"affected":[{"source":"ghsa","ecosystem":"PyPI","package":"modular","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.6.0"}]}]},{"source":"osv","ecosystem":"PyPI","package":"modular","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.6.0"}]}],"versions":["25.3.0","25.4.0","25.5.0"]},{"source":"osv","ecosystem":"PyPI","package":"max","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.6.0"}]}],"versions":["25.3.0","25.4.0","25.5.0"]},{"source":"osv","ecosystem":"PyPI","package":"modular","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"25.6.0"}]}],"versions":["25.3.0","25.4.0","25.5.0"]}],"products":[{"vendor":"modular","product":"max"}],"references":[{"url":"https://github.com/modular/modular/issues/4795","tags":["Issue Tracking","Patch","report","web","fix"]},{"url":"https://github.com/modular/modular/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220","tags":["Broken Link","web"]},{"url":"https://github.com/modular/modular/commit/10620059fb5c47fb0c30e5d21a8ff3b8d622fba4","tags":["Patch","fix","web"]},{"url":"https://github.com/modular/modular/commit/ee9c4ab02345dd30bed8b79771b6909ff1b930a1","tags":["Patch","fix","web"]},{"url":"https://github.com/modular/modular/commit/b20e749fa892dbe772e890a268002f732164d9f5","tags":["Patch","fix","web"]},{"url":"https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem","tags":["Exploit","Third Party Advisory","article","web","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-60455","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7xcv-9j6c-2fmc","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/60xxx/CVE-2025-60455.json","tags":["advisory"]},{"url":"https://github.com/modular/modular","tags":["package"]},{"url":"https://pypi.org/project/modular","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-60455","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.","status":"published","published":"2025-11-18T00:00:00Z","modified":"2025-11-19T18:47:17.159Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:39.719629Z"}],"euvd":[{"id":"EUVD-2025-198078","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.","status":"published","published":"2025-11-18T00:00:00Z","modified":"2025-11-19T18:47:17Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:15.429944Z"}],"ghsa":[{"id":"GHSA-7xcv-9j6c-2fmc","title":"Modular Max Serve has Unsafe Deserialization vulnerability","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.","status":"published","published":"2025-11-18T21:32:31Z","modified":"2025-11-18T22:08:40Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:39:08.983925Z"}],"nvd":[{"id":"CVE-2025-60455","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.","status":"published","published":"2025-11-18T19:15:49.8Z","modified":"2026-11-05T14:10:00.273Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-05T19:55:51.56159Z"}],"osv":[{"id":"CVE-2025-60455","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.","status":"published","published":"2025-11-18T00:00:00Z","modified":"2026-11-11T10:30:46.81172911Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-07T03:07:57.874008Z"},{"id":"GHSA-7xcv-9j6c-2fmc","title":"Modular Max Serve has Unsafe Deserialization vulnerability","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.","status":"published","published":"2025-11-18T21:32:31Z","modified":"2026-07-13T07:26:46.16654084Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:41.732368Z"},{"id":"PYSEC-2025-253","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.","status":"published","published":"2025-11-18T19:15:49.8Z","modified":"2026-07-13T07:26:46.16654084Z","cvss":[{"version":"3.1","score":8.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:52:54.242332Z"},{"id":"PYSEC-2026-427","title":"Modular Max Serve has Unsafe Deserialization vulnerability","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.","status":"published","published":"2026-06-29T11:50:36.347186Z","modified":"2026-07-13T07:26:46.16654084Z","cvss":[{"version":"4.0","score":9.3,"vector":"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","level":"critical"}],"updated_at":"2026-11-02T15:52:57.671918Z"}]}}