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CVE-2026-59262

AFFiNE - Unauthorized Document Edit History Access via GraphQL histories Field

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.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Affine
Products
Monorepo
CVE-2026-25477

AFFiNE: Open Redirect via Regex Bypass in redirect-proxy

AFFiNE is an open-source, all-in-one workspace and an operating system. Prior to version 0.26.0, there is an Open Redirect vulnerability located at the /redirect-proxy endpoint. The flaw exists in the domain validation logic, where an improperly anchored Regular Expression allows an attacker to bypass the whitelist by using malicious domains that end with a trusted string. This issue has been patched in version 0.26.0.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Affine Toeverything
Products
Affine Affine
CVE-2026-7702

toeverything AFFiNE Public Markdown Preview Endpoint :docId allowDocPreview authorization

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.

CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Vendors
Affine Toeverything
Products
Affine Affine
CVE-2026-21853

AFFiNE: One-click Remote Code Execution through Custom URL Handling

AFFiNE is an open-source, all-in-one workspace and an operating system. Prior to version 0.25.4, there is a one-click remote code execution vulnerability. This vulnerability can be exploited by embedding a specially crafted affine: URL on a website. An attacker can trigger the vulnerability in two common scenarios: 1/ A victim visits a malicious website controlled by the attacker and the website redirect to the URL automatically, or 2/ A victim clicks on a crafted link embedded on a legitimate website (e.g., in user-generated content). In both cases, the browser invokes AFFiNE custom URL handler, which launches the AFFiNE app and processes the crafted URL. This results in arbitrary code execution on the victim’s machine, without further interaction. This issue has been patched in version 0.25.4.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Affine Toeverything
Products
Affine Affine