CVE-2026-52132
CVSS v3
7.5
HIGH
EPSS Score
0.6 %
exploit probability, as of 2026-09-28
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-09-01
- Last Modified
- 2026-09-02
Frequently asked questions
What is CVE-2026-52132?
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.
Is CVE-2026-52132 actively exploited?
Active exploitation of CVE-2026-52132 has not been confirmed. Its EPSS score was 0.6% on 2026-09-28, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-52132?
CVE-2026-52132 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2026-52132 affecting your environment?
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