CVE-2026-78147: llama.cpp RPC server vulnerable to insecure deserialization
llama.cpp
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
- CVSS
- 7.3
- EPSS
- 0.01 · top 53% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 23 Aug 2026
- last update
- 23 Aug 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-08-23CVE-2026-78147: A vulnerability was found in ggml-org llama.cpp bec4772f6.NVD · nvd.nist.gov/vuln/detail/CVE-2026-78147
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerabilitySupply chain
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Open-weight model, Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- AML.T0010 AI Supply Chain Compromise
- dates
- happened 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.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 06:33Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# CVE-2026-78147: llama.cpp RPC server vulnerable to insecure deserialization https://gcdradar.vercel.app/incidents/cve-2026-78147-llama-cpp-rpc-server-vulnerable-to-insecure-d · AIR-2026-0090 · closed 2026-08-23 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-08-23 - AI role: Attack on AI - Products: llama.cpp - CVE ids: CVE-2026-78147 - CVSS: 7.3 ## Summary 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. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-08-23: CVE-2026-78147: A vulnerability was found in ggml-org llama.cpp bec4772f6. (https://nvd.nist.gov/vuln/detail/CVE-2026-78147) ## Sources - 2026-08-23 NVD: CVE-2026-78147: A vulnerability was found in ggml-org llama.cpp bec4772f6. https://nvd.nist.gov/vuln/detail/CVE-2026-78147 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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