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VULNERABILITIES

CVE-2026-52132 Details

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.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://blog.ph4nt0m.xyz/ko/cves/cve-2026-52132/ [email protected]Third Party Advisory
https://github.com/ggml-org/llama.cpp [email protected]Product

Weakness Enumeration

CWE-IDCWE NameSource
CWE-674Uncontrolled RecursionCISA-ADP

Affected Products

ProductVersions
ggml llama.cpp
<= 0.4.0

CPE

  • cpe:2.3:a:ggml:llama.cpp:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-52132
NVD Published Date:
Sep 1, 2026
NVD Last Modified:
Sep 4, 2026
Source:
[email protected]
CVE-2026-52132 Details - Not Deferred