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CVE-2026-15792— Possible panic when incorrect parameters sent from frontend

Quick assessment

Affected
moby BuildKit
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.

Moby BuildKit是Moby团队开源的一个并发、高速缓存高效的构建器工具包。 Moby BuildKit 0.31.2之前版本存在输入验证错误漏洞，该漏洞源于输入验证错误，恶意BuildKit客户端或前端可构造请求导致BuildKit守护进程崩溃。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
moby BuildKit < 0.31.2 affected
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I. Basic Information for CVE-2026-15792

Vulnerability Information
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Vulnerability Title
Possible panic when incorrect parameters sent from frontend
Source: CVE Program / CVE List V5
Vulnerability Description
A malicious BuildKit client or frontend could craft a request that could lead to BuildKit daemon crashing with a panic.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Moby BuildKit 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Moby BuildKit是Moby团队开源的一个并发、高速缓存高效的构建器工具包。 Moby BuildKit 0.31.2之前版本存在输入验证错误漏洞，该漏洞源于输入验证错误，恶意BuildKit客户端或前端可构造请求导致BuildKit守护进程崩溃。
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
moby BuildKit 0 ~ 0.31.2 -

II. Public POCs for CVE-2026-15792

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III. Intelligence Information for CVE-2026-15792

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Vendor Advisories for CVE-2026-15792 (1)

Same Patch Batch · moby · 2026-07-21 · 4 CVEs total

CVE-2026-15789 Malicious client can bypass destination directory validation on local sources upload
CVE-2026-15793 Git source checkout from a bundle file could lead to command injection
CVE-2026-15791 LLB file operation can be tricked to remove /tmp directory contents

IV. Related Vulnerabilities

Same product: BuildKit
Same vendor: moby
Same weakness: CWE-20

V. Comments for CVE-2026-15792

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