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Medium · 6.5 CVE-2026-59262 EUVD-2026-42314GHSA-m4gp-5xh5-xhq4

AFFiNE - Unauthorized Document Edit History Access via GraphQL histories Field

Published Jul 8, 2026 · Updated Sep 24, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
affine monorepo < 0.26.3, ≤ 1f0bcd0 0.26.3

References