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CVE-2026-107761— Channel tokens and organization API key exposed in API responses

Quick assessment

Affected
GitroomHQ postiz-app
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.

以下是对该漏洞描述信息的中文翻译： Postiz 的多个接口返回了它们所操作记录的完整数据库行，而非仅返回客户端所需的字段。其中两个接口包含了本不该向调用方泄露的秘密信息。 1. 公开 API 的频道删除接口：返回已删除的集成记录，包括频道的平台访问令牌（access token）和刷新令牌（refresh token）。因此，拥有删除频道权限的第三方 OAuth 应用会获取该频道的社交平台凭证，并可直接在 Postiz 外部使用这些凭证对关联账户进行操作。 2. 接口：向组织内的每位成员返回每个组织的完整数据库行

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
GitroomHQ postiz-app < 2.25.1 affected
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I. Basic Information for CVE-2026-107761

Vulnerability Information
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Vulnerability Title
Channel tokens and organization API key exposed in API responses
Source: CVE Program / CVE List V5
Vulnerability Description
Several Postiz endpoints return the complete database row of the record they operate on instead of only the fields the client needs. Two of them include secrets the caller is not meant to receive. The public API's channel delete returns the deleted integration row, including the channel's platform access token and refresh token. A third-party OAuth app permitted to delete a channel therefore receives that channel's social platform credentials and can use them against the connected account directly, outside Postiz. `GET /user/organizations` returns each organization row, including its API key, to every member of the organization. The API key is intended for admins only, so a member with a lower role can obtain it and call the public API on behalf of the organization. Both endpoints require a valid session, API key or OAuth token and are scoped to the caller's own organization. There is no anonymous access and no cross-tenant exposure.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitroomHQ postiz-app 0 ~ 2.25.1 -

II. Public POCs for CVE-2026-107761

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III. Intelligence Information for CVE-2026-107761

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Patches & Fixes for CVE-2026-107761 (1)

Vendor Advisories for CVE-2026-107761 (1)

IV. Related Vulnerabilities

Same product: postiz-app
Same vendor: GitroomHQ
Same weakness: CWE-201

V. Comments for CVE-2026-107761

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