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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Wed, 02 Sep 2026 01:30:00 +0000

Type Values Removed Values Added
Title Remote Denial of Service via Negative top_n Value in llama.cpp Reranking Endpoint
Weaknesses CWE-20

Wed, 02 Sep 2026 00:30:00 +0000

Type Values Removed Values Added
First Time appeared Ggml-org
Ggml-org llama.cpp
Vendors & Products Ggml-org
Ggml-org llama.cpp

Tue, 01 Sep 2026 22:00:00 +0000

Type Values Removed Values Added
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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-01T17:24:36.476Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-52132

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-01T18:17:43.823

Modified: 2026-09-01T18:17:43.823

Link: CVE-2026-52132

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-02T01:15:05Z

Weaknesses