CVE-2026-78147: llama.cpp RPC server vulnerable to insecure deserialization
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerabilitySupply chain
A vulnerability was found in the ggml-RPC Server component of llama.cpp affecting the deserialize_tensor function. Manipulation of operation parameters can trigger remote deserialization issues.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityprimaryCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Supply chainMalicious or backdoored models, poisoned packages, unsafe deserialization and other compromised AI dependencies.
- Infrastructure vulnerabilityprimary
- owasp llm top 10
- mitre atlas
- Both rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Open-weight model, Framework / tooling
- products
- llama.cpp
- incident date
- 23 Aug 2026
- first reported
- 23 Aug 2026
- origin
- NVDVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-78147 · llama.cpp · deserialization
- record
- created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z · json
Sources · 1
- 2026-08-23CVE-2026-78147: A vulnerability was found in ggml-org llama.cpp bec4772f6.NVD · nvd.nist.gov/vuln/detail/CVE-2026-78147
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