CVE-2026-52132

7.5 highEPSS 0.6%

High (7.5) in ggml llama.cpp. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)
CWE: CWE-674
Published: 2026-09-01
Modified: 2026-09-04
Record from: the NVD, synced 2026-10-19

Affected

ggml:llama.cpp

References

https://blog.ph4nt0m.xyz/ko/cves/cve-2026-52132/
https://github.com/ggml-org/llama.cpp

Check your stack JSON