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CVE-2026-63396— Coop has a data leak via unauthenticated GraphQL Query.allOrgs

Quick assessment

Affected
roostorg coop
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.

Coop 是由 ROOST 开发的一款开源评审与审核工具。在 1.0.0 版本之前，未经认证的攻击者可以通过公开部署实例中的 接口调用 ，从而获取所有组织的数据，包括组织 ID、名称、电子邮件地址、网站 URL 以及值班告警邮箱地址。此外， 字段还会泄露评审用户的 ID、电子邮件地址、姓和名、角色、权限以及创建日期。若将服务部署在需身份认证的私有网络中，可防止外部攻击者直接查询 GraphQL API。该问题已在 1.0.0 版本中修复。

CVSS 8.7 · High
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I. Basic Information for CVE-2026-63396

Vulnerability Information
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Vulnerability Title
Coop has a data leak via unauthenticated GraphQL Query.allOrgs
Source: CVE Program / CVE List V5
Vulnerability Description
Coop is an open source review and moderation tool from ROOST. Prior to 1.0.0, an unauthenticated actor can query `Query.allOrgs` through `/api/v1/graphql` on a publicly accessible deployment and obtain data for all organizations, including organization IDs, names, email addresses, website URLs and on-call alert email addresses. The `usersWhoCanReviewEveryQueue` field also exposes reviewing users' IDs, email addresses, first and last names, roles, permissions and creation dates. Running the service on an authenticated private network prevents outside actors from directly querying the GraphQL API. This issue is fixed in version 1.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
roostorg coop < 1.0.0 -

II. Public POCs for CVE-2026-63396

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III. Intelligence Information for CVE-2026-63396

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Other References for CVE-2026-63396 (4)

Same Patch Batch · roostorg · 2026-10-30 · 5 CVEs total

CVE-2026-63398 7.4 HIGH Coop has SAML cross-tenant authentication bypass
CVE-2026-63399 6.9 MEDIUM Coop: Unauthenticated org provisioning via GraphQL Mutation.createOrg
CVE-2026-63401 5.3 MEDIUM Coop has cross-org IDOR in addAccessibleQueuesForUser / removeAccessibleQueuesForUser
CVE-2026-63400 2.3 LOW Coop sessions are not invalidated on password reset

IV. Related Vulnerabilities

Same product: coop
Same vendor: roostorg
Same weakness: CWE-306