CVE-2025-60455
CVE-2025-60455 is a high-severity vulnerability in Modular Max with a CVSS 3.x base score of 8.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.
Key facts
- Severity: High (CVSS 3.x base score 8.4)
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-198078
- Weakness: CWE-502
- Affected product: Modular Max
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2025-60455?
- 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.
- How severe is CVE-2025-60455?
- CVE-2025-60455 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-60455 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-60455?
- CVE-2025-60455 affects Modular Max. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-60455?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-60455 have an EU (EUVD) identifier?
- Yes. CVE-2025-60455 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198078.
- When was CVE-2025-60455 published?
- CVE-2025-60455 was published on 2025-11-18 and last updated on 2026-06-17.
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 products (1)
- cpe:2.3:a:modular:max:*:*:*:*:*:*:*:*
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