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CVE-2026-7702— toeverything AFFiNE Public Markdown Preview Endpoint :docId allowDocPreview authorization

Quick assessment

Affected
toeverything AFFiNE
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.

Toeverything AFFiNE是Toeverything开源的一个知识管理软件。 Toeverything AFFiNE 0.26.3及之前版本存在授权问题漏洞，该漏洞源于组件Public Markdown Preview Endpoint中文件/workspace/:workspaceId/:docId的函数allowDocPreview，可能导致授权绕过。

CVSS 5.3 · Medium EPSS 0.52% · P42

Affected Version Matrix 4

VendorProduct Version RangeStatus
toeverything AFFiNE 0.26.0 affected
0.26.1 affected
0.26.2 affected
0.26.3 affected
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I. Basic Information for CVE-2026-7702

Vulnerability Information
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Vulnerability Title
toeverything AFFiNE Public Markdown Preview Endpoint :docId allowDocPreview authorization
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in toeverything AFFiNE up to 0.26.3. This issue affects the function allowDocPreview of the file /workspace/:workspaceId/:docId of the component Public Markdown Preview Endpoint. The manipulation results in authorization bypass. It is possible to launch the attack remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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
Toeverything AFFiNE 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Toeverything AFFiNE是Toeverything开源的一个知识管理软件。 Toeverything AFFiNE 0.26.3及之前版本存在授权问题漏洞，该漏洞源于组件Public Markdown Preview Endpoint中文件/workspace/:workspaceId/:docId的函数allowDocPreview，可能导致授权绕过。
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
toeverything AFFiNE 0.26.0 cpe:2.3:a:affine:affine:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-7702

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III. Intelligence Information for CVE-2026-7702

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Vendor Advisories for CVE-2026-7702 (1)

IV. Related Vulnerabilities

Same product: AFFiNE
Same vendor: toeverything
Same weakness: CWE-639

V. Comments for CVE-2026-7702

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