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CVE-2026-28216— hoppscotch has IDOR in updateUserEnvironment / deleteUserEnvironment

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，该漏洞源于已登录用户可通过ID读取、修改或删除其他用户的个人环境，可能导致API密钥和令牌泄露。

CVSS 8.3 · High EPSS 0.39% · P33
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I. Basic Information for CVE-2026-28216

Vulnerability Information
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Vulnerability Title
hoppscotch has IDOR in updateUserEnvironment / deleteUserEnvironment
Source: CVE Program / CVE List V5
Vulnerability Description
hoppscotch is an open source API development ecosystem. Prior to version 2026.2.0, any logged-in user can read, modify or delete another user's personal environment by ID. `user-environments.resolver.ts:82-109`, `updateUserEnvironment` mutation uses `@UseGuards(GqlAuthGuard)` but is missing the `@GqlUser()` decorator entirely. The user's identity is never extracted, so the service receives only the environment ID and performs a `prisma.userEnvironment.update({ where: { id } })` without any ownership filter. `deleteUserEnvironment` does extract the user but the service only uses the UID to check if the target is a global environment. Actual delete query uses WHERE { id } without AND userUid. hoppscotch environments store API keys, auth tokens and secrets used in API requests. An authenticated attacker who obtains another user's environment ID can read their secrets, replace them with malicious values or delete them entirely. The environment ID format is CUID, which limits mass exploitation but insider threat and combined info leak scenarios are realistic. 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:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
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，该漏洞源于已登录用户可通过ID读取、修改或删除其他用户的个人环境，可能导致API密钥和令牌泄露。
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-2026-28216

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III. Intelligence Information for CVE-2026-28216

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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-2026-28217 6.5 MEDIUM IDOR in GraphQL userCollection Query Exposes Other Users' Private Collections

IV. Related Vulnerabilities

Same product: hoppscotch
Same vendor: hoppscotch
Same weakness: CWE-639

V. Comments for CVE-2026-28216

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