# GGML Llama.cpp vulnerabilities

Source: https://junglewise.ai/threats/technologies/llama-cpp  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/llama-cpp.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 14 vulnerabilities in GGML Llama.cpp: 0 in the last 7 days and 4 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-116840, was published on 27 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 4
- All time: 14 (1 critical, 0 exploited in the wild)

## About GGML Llama.cpp

llama.cpp is a C++ implementation for running LLaMA and other large language models with 4-bit integer quantization.

## Latest GGML Llama.cpp vulnerabilities

- [CVE-2026-116840: llama.cpp integer overflow in gguf_init_from_reader](https://junglewise.ai/threats/cve-2026-116840-llama-cpp-b5854-before-b11275-contains-an-integer-overflow) (medium, CVSS 6.1, published 27 Oct 2026)
- [CVE-2026-52132: llama.cpp denial of service via negative top_n in reranking API](https://junglewise.ai/threats/cve-2026-52132-llama-cpp-denial-of-service-via-negative-top-n-in-reranking-api) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-52131: llama.cpp uncontrolled recursion denial of service in json-schema-to-grammar](https://junglewise.ai/threats/cve-2026-52131-llama-cpp-uncontrolled-recursion-denial-of-service-in-json-schema) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-52130: llama.cpp uncontrolled recursion in JSON schema converter](https://junglewise.ai/threats/cve-2026-52130-llama-cpp-uncontrolled-recursion-in-json-schema-converter) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-70640: llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI…](https://junglewise.ai/threats/cve-2026-70640-llama-cpp-builds-b1886-through-b7445-contain-a-race-condition-use) (high, CVSS 7, published 6 Aug 2026)
- [CVE-2026-70639: llama.cpp builds b1886 through b7445 contain a null pointer dereference vulnerability in the LLaMA-Android JNI wrapper…](https://junglewise.ai/threats/cve-2026-70639-llama-cpp-builds-b1886-through-b7445-contain-a-null-pointer) (medium, CVSS 5.5, published 6 Aug 2026)
- [CVE-2026-70638: llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where…](https://junglewise.ai/threats/cve-2026-70638-llama-cpp-builds-b1886-through-b7445-contain-an-integer-overflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43630: llama.cpp builds b4882 before b8487 contain an out-of-bounds read vulnerability in the recurrent memory state restore…](https://junglewise.ai/threats/cve-2026-43630-llama-cpp-builds-b4882-before-b8487-contain-an-out-of-bounds-read) (medium, CVSS 6.5, published 6 Aug 2026)
- [CVE-2026-43629: llama.cpp builds b4882 through b9058 contain a heap buffer overflow vulnerability in the KV cache state restore path…](https://junglewise.ai/threats/cve-2026-43629-llama-cpp-builds-b4882-through-b9058-contain-a-heap-buffer) (high, CVSS 8.1, published 6 Aug 2026)
- [CVE-2026-43628: llama.cpp builds b3978 through b9058 contain an integer underflow and out-of-bounds read vulnerability in the DRY…](https://junglewise.ai/threats/cve-2026-43628-llama-cpp-builds-b3978-through-b9058-contain-an-integer-underflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43627: llama.cpp builds b1283 through b9058 contain an integer overflow vulnerability in the llama_batch_init() function…](https://junglewise.ai/threats/cve-2026-43627-llama-cpp-builds-b1283-through-b9058-contain-an-integer-overflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43622: llama.cpp double free in LLaMA-Android JNI wrapper](https://junglewise.ai/threats/cve-2026-43622-llama-cpp-double-free-in-llama-android-jni-wrapper) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-17500: ggml-org llama.cpp null pointer dereference in json-schema-to-grammar](https://junglewise.ai/threats/cve-2026-17500-ggml-org-llama-cpp-null-pointer-dereference-in-json-schema-to) (medium, CVSS 5.3, published 27 Jul 2026)
- [CVE-2026-34159: llama.cpp is an inference of several LLM models in C/C++. Prior to version b8492, the RPC backend's…](https://junglewise.ai/threats/cve-2026-34159-llama-cpp-is-an-inference-of-several-llm-models-in-c-c-prior-to) (critical, CVSS 9.8, published 1 Apr 2026)

## Most severe GGML Llama.cpp vulnerabilities

- [CVE-2026-34159: llama.cpp is an inference of several LLM models in C/C++. Prior to version b8492, the RPC backend's…](https://junglewise.ai/threats/cve-2026-34159-llama-cpp-is-an-inference-of-several-llm-models-in-c-c-prior-to) (critical, CVSS 9.8, published 1 Apr 2026)
- [CVE-2026-43629: llama.cpp builds b4882 through b9058 contain a heap buffer overflow vulnerability in the KV cache state restore path…](https://junglewise.ai/threats/cve-2026-43629-llama-cpp-builds-b4882-through-b9058-contain-a-heap-buffer) (high, CVSS 8.1, published 6 Aug 2026)
- [CVE-2026-70638: llama.cpp builds b1886 through b7445 contain an integer overflow vulnerability in the LLaMA-Android JNI wrapper where…](https://junglewise.ai/threats/cve-2026-70638-llama-cpp-builds-b1886-through-b7445-contain-an-integer-overflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43628: llama.cpp builds b3978 through b9058 contain an integer underflow and out-of-bounds read vulnerability in the DRY…](https://junglewise.ai/threats/cve-2026-43628-llama-cpp-builds-b3978-through-b9058-contain-an-integer-underflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43622: llama.cpp double free in LLaMA-Android JNI wrapper](https://junglewise.ai/threats/cve-2026-43622-llama-cpp-double-free-in-llama-android-jni-wrapper) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-43627: llama.cpp builds b1283 through b9058 contain an integer overflow vulnerability in the llama_batch_init() function…](https://junglewise.ai/threats/cve-2026-43627-llama-cpp-builds-b1283-through-b9058-contain-an-integer-overflow) (high, CVSS 7.8, published 6 Aug 2026)
- [CVE-2026-52132: llama.cpp denial of service via negative top_n in reranking API](https://junglewise.ai/threats/cve-2026-52132-llama-cpp-denial-of-service-via-negative-top-n-in-reranking-api) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-52130: llama.cpp uncontrolled recursion in JSON schema converter](https://junglewise.ai/threats/cve-2026-52130-llama-cpp-uncontrolled-recursion-in-json-schema-converter) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-52131: llama.cpp uncontrolled recursion denial of service in json-schema-to-grammar](https://junglewise.ai/threats/cve-2026-52131-llama-cpp-uncontrolled-recursion-denial-of-service-in-json-schema) (high, CVSS 7.5, published 1 Sep 2026)
- [CVE-2026-70640: llama.cpp builds b1886 through b7445 contain a race condition use-after-free vulnerability in the LLaMA-Android JNI…](https://junglewise.ai/threats/cve-2026-70640-llama-cpp-builds-b1886-through-b7445-contain-a-race-condition-use) (high, CVSS 7, published 6 Aug 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 3 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 1 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "GGML Llama.cpp vulnerabilities", https://junglewise.ai/threats/technologies/llama-cpp, 9 November 2026.
