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CVE-2026-80051

Quick assessment

Affected
graphql-go project graphql-go
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.

github.com/graphql-go/graphql（用于 Go 语言的 GraphQL 实现）在 0.8.1 及更早版本中，未对标量变量值是否与其声明类型相匹配进行验证。内置的 coerceString 和 coerceBool 函数（位于 scalars.go 中）在接收到与声明的 String、ID 或 Boolean 标量类型不匹配的输入时，不会按照 GraphQL 规范所要求的那样抛出请求错误。在某些情况下（尽管并非典型网站 JSON 请求场景），深层嵌套的值会导致无法恢复的“致命错误：栈溢出”（f

CVSS 5.9 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
graphql-go project graphql-go ≤ 0.8.1 affected
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I. Basic Information for CVE-2026-80051

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
github.com/graphql-go/graphql (GraphQL for Go) through 0.8.1 does not validate that a scalar variable value matches its declared type. The built-in coerceString and coerceBool functions (scalars.go) accept input whose type does not match the declared String, ID, or Boolean scalar instead of raising the request error that the GraphQL specification mandates. In some cases (but not any typical case of JSON sent to a website), a deeply nested value leads to an unrecoverable "fatal error: stack overflow" condition.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1287
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
graphql-go project graphql-go 0 ~ 0.8.1 -

II. Public POCs for CVE-2026-80051

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III. Intelligence Information for CVE-2026-80051

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Mailing List Discussions for CVE-2026-80051 (1)

IV. Related Vulnerabilities

Same product: graphql-go
Same weakness: CWE-1287

V. Comments for CVE-2026-80051

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