PYSEC-2025-253
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/max/PYSEC-2025-253.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2025-253
- Aliases
- Published
- 2025-11-18T19:15:49.800Z
- Modified
- 2026-07-13T07:26:46.166540840Z
- Severity
-
- 8.4 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- 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.
- References
-
- https://github.com/modular/modular/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220
- https://github.com/modular/modular/commit/10620059fb5c47fb0c30e5d21a8ff3b8d622fba4
- https://github.com/modular/modular/commit/b20e749fa892dbe772e890a268002f732164d9f5
- https://github.com/modular/modular/commit/ee9c4ab02345dd30bed8b79771b6909ff1b930a1
- https://github.com/modular/modular/issues/4795
- https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem
Affected packages
PyPI / max
Package
- Name
- max
- View open source insights on deps.dev
- Purl
- pkg:pypi/max