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CVE-2026-28217— IDOR in GraphQL userCollection Query Exposes Other Users' Private Collections

Quick assessment

Affected
hoppscotch hoppscotch
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.

Hoppscotch是Hoppscotch开源的一个开源 Api 开发生态系统。 Hoppscotch 2026.2.0之前版本存在安全漏洞，该漏洞源于userCollection GraphQL查询缺少授权检查，可能导致不安全的直接对象引用和信息泄露。

CVSS 6.5 · Medium EPSS 0.38% · P30
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I. Basic Information for CVE-2026-28217

Vulnerability Information
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Vulnerability Title
IDOR in GraphQL userCollection Query Exposes Other Users' Private Collections
Source: CVE Program / CVE List V5
Vulnerability Description
hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, the `userCollection` GraphQL query accepts an arbitrary collection ID and returns the full collection data — including title, type, and the serialized `data` field containing HTTP requests with headers and potentially secrets — to any authenticated user, without verifying that the requesting user owns the collection. This is an Insecure Direct Object Reference (IDOR) caused by a missing authorization check that exists on every other operation in the same resolver. Version 2026.2.0 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Hoppscotch 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hoppscotch是Hoppscotch开源的一个开源 Api 开发生态系统。 Hoppscotch 2026.2.0之前版本存在安全漏洞，该漏洞源于userCollection GraphQL查询缺少授权检查，可能导致不安全的直接对象引用和信息泄露。
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
hoppscotch hoppscotch < 2026.2.0 -

II. Public POCs for CVE-2026-28217

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III. Intelligence Information for CVE-2026-28217

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Same Patch Batch · hoppscotch · 2026-02-26 · 3 CVEs total

CVE-2026-28215 9.1 CRITICAL hoppscotch Vulnerable to Unauthenticated Onboarding Config Takeover
CVE-2026-28216 8.3 HIGH hoppscotch has IDOR in updateUserEnvironment / deleteUserEnvironment

IV. Related Vulnerabilities

Same product: hoppscotch
Same vendor: hoppscotch
Same weakness: CWE-862

V. Comments for CVE-2026-28217

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