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CVE-2026-17513— ggml-org whisper.cpp ggml.c ggml_ftype_to_ggml_type assertion

Quick assessment

Affected
ggml-org whisper.cpp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ggml whisper.cpp是ggml组织开源的一个C语言库。 whisper.cpp 95ea8f9b版本存在异常处理不当漏洞，该漏洞源于对ggml/src/ggml.c文件中函数ggml_ftype_to_ggml_type的参数ftype进行操作，导致可达断言。

CVSS 3.3 · Low EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 1

VendorProduct Version RangeStatus
ggml-org whisper.cpp 95ea8f9b affected
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I. Basic Information for CVE-2026-17513

Vulnerability Information
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Vulnerability Title
ggml-org whisper.cpp ggml.c ggml_ftype_to_ggml_type assertion
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in ggml-org whisper.cpp 95ea8f9b. Affected is the function ggml_ftype_to_ggml_type of the file ggml/src/ggml.c. The manipulation of the argument ftype results in reachable assertion. The attack requires a local approach. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
ggml whisper.cpp 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ggml whisper.cpp是ggml组织开源的一个C语言库。 whisper.cpp 95ea8f9b版本存在异常处理不当漏洞，该漏洞源于对ggml/src/ggml.c文件中函数ggml_ftype_to_ggml_type的参数ftype进行操作，导致可达断言。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
ggml-org whisper.cpp 95ea8f9b cpe:2.3:a:ggml-org:whisper.cpp:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-17513

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III. Intelligence Information for CVE-2026-17513

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Other References for CVE-2026-17513 (1)

Same Patch Batch · ggml-org · 2026-07-27 · 4 CVEs total

CVE-2026-17501 5.3 MEDIUM ggml-org llama.cpp JSON-Schema-to-GBNF Conversion json-schema-to-grammar.cpp transform rec
CVE-2026-17500 5.3 MEDIUM ggml-org llama.cpp json-schema-to-grammar.cpp _visit_pattern null pointer dereference
CVE-2026-17512 3.3 LOW ggml-org whisper.cpp log_mel_spectrogram out-of-bounds

IV. Related Vulnerabilities

Same product: whisper.cpp
Same vendor: ggml-org
Same weakness: CWE-617

V. Comments for CVE-2026-17513

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