Open-source package vulnerability · PyPI
CVE-2025-60455: Modular Max Serve has Unsafe Deserialization vulnerability
criticalCVSS 4.0 9.3GHSA-7xcv-9j6c-2fmc
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.
Published Nov 18, 2025
Affected packages
modular
- Ecosystem
- PyPI
- Affected
- < 25.6.0
- Fixed in
- 25.6.0
- Check
pip show modular
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
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://nvd.nist.gov/vuln/detail/CVE-2025-60455
- https://github.com/modular/modular/issues/4795
- 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/blame/main/max/serve/kvcache_agent/kvcache_agent.py#L220
- https://www.oligo.security/blog/shadowmq-how-code-reuse-spread-critical-vulnerabilities-across-the-ai-ecosystem
- https://github.com/advisories/GHSA-7xcv-9j6c-2fmc
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology