CVE-2026-43631: llama.cpp from b7492 (inclusive), through b9060 (inclusive), b7492 through b9060

CVE-2026-43631. CVSS 3.1 base score 8.1 (HIGH, Vendor/CNA). EPSS 0.00573 (percentile 0.46586), scored 22-Oct-2026.

Affected technology

llama.cpp · from b7492 (inclusive), through b9060 (inclusive)
ggml

llama.cpp · b7492 through b9060
ggml-org

Description’s affected range: through the latest b9060

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

The source says llama.cpp builds b7492 through the latest b9060 contains a use-after-free vulnerability in the vocab pointer of llama-server when the --sleep-idle-seconds feature is enabled, allowing unauthenticated remote attackers to execute arbitrary code. Vendor/CNA’s CVSS 4.0 assessment (base score 9.2/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-362, CWE-416
CCR priority: 32.5 /100 (P4)
CVSS 3.1: 8.1 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00573 · percentile 0.46586 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43631.html