Auth bypass in Toeverything Affine
CVE-2026-7702
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (41.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Toeverything Affine — versions 0.26.0, 0.26.1, 0.26.2
Weakness classification (CWE)
References
- vuldb.com/vuln/360871 (technical-description, vdb-entry)
- vuldb.com/vuln/360871/cti (signature, permissions-required)
- vuldb.com/submit/804455 (third-party-advisory)
- github.com/ngocnn97/security-advisories/blob/main/AFFiNE_BAC_PoC.mp4 (exploit)
Frequently asked questions
- What is CVE-2026-7702?
- CVE-2026-7702 is a medium-severity vulnerability in Toeverything Affine, classified under Improper Authorization. CVSS score: 5.3/10. Published 2026-05-03.
- How severe is CVE-2026-7702?
- Medium severity. CVSS v3 base score is 5.3 out of 10.