CVE-2026-7702
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk24th percentile - higher than 24% of all known CVEs
Summary
A vulnerability was detected in toeverything AFFiNE up to 0.26.3 affecting the allowDocPreview function of the file /workspace/:workspaceId/:docId in the Public Markdown Preview Endpoint component, resulting in authorization bypass. The exploit is now public and may be used.
Risk Assessment
A remote attacker could gain unauthorized access to document previews, violating access control and confidentiality.
Recommendation
Upgrade AFFiNE to a version newer than 0.26.3 containing the fix, as the vendor did not respond to the disclosure.
Other vulnerabilities in AFFiNE
See all- CVE-2026-59262Medium
AFFiNE's histories GraphQL field fails to validate Doc.Read permission before exposing document edit history, allowing authenticated workspace members to retrieve restricted content timelines. Attackers can supply arbitrary document GUIDs to access full edit histories including user names, emails, and timestamps of private pages they lack access to.
- CVE-2025-11945Low
A vulnerability was identified in toeverything AFFiNE up to 0.24.1 affecting the Avatar Upload Image Endpoint component. Manipulation leads to cross site scripting, and the exploit is publicly available.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS