CVE-2026-52132

HighCVSS 7.5/10Last modified Sep 4, 2026

Description

llama.cpp through commit 97f06e9, when started with the --reranking flag, allows remote attackers to cause a denial of service (std::bad_alloc and HTTP 500) via a negative top_n value in a POST request to /rerank.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-674

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://blog.ph4nt0m.xyz/ko/cves/cve-2026-52132/Third Party Advisory
https://github.com/ggml-org/llama.cppProduct

Timeline

Published: Sep 1, 2026
Last modified: Sep 4, 2026
NVD status: Analyzed

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