CVE-2026-115912
highvLLM is an inference and serving engine for large language models.
Vendor / product: Vllm — vllm
vLLM is an inference and serving engine for large language models. Prior to 0.32.0, an authenticated caller can place forged shared-memory address and monotonic_id values in public multimodal features.kwargs_data. In scale-out deployments with shared-memory multimodal caching enabled, workers trust those values and pass attacker-selected bytes to pickle.loads(), allowing arbitrary Python execution even when insecure serialization is disabled. This issue is fixed in version 0.32.0.
CVSS
8.8
8.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-10-26 17:17
Modified: 2026-10-28 15:38
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-28 16:01 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
vllm / vllm <0.32.0
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://github.com/vllm-project/vllm/commit/3d5625cc3c2474994107047d7a6ecb8e4008f9b0
Patch / mitigation: https://github.com/vllm-project/vllm/pull/59357
Patch / mitigation: https://github.com/vllm-project/vllm/security/advisories/GHSA-6757-hggm-hp2w
References
- https://github.com/vllm-project/vllm/commit/3d5625cc3c2474994107047d7a6ecb8e4008f9b0 security-advisories@github.com
- https://github.com/vllm-project/vllm/pull/59357 security-advisories@github.com
- https://github.com/vllm-project/vllm/releases/tag/v0.32.0 security-advisories@github.com
- https://github.com/vllm-project/vllm/security/advisories/GHSA-6757-hggm-hp2w security-advisories@github.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-28 16:01 UTC · record ↗