CVE-2026-59262

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

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 35% of CVEs (scores of 2026-10-25)

CWE

CWE-862

Published

2026-07-08

Modified

2026-10-25

Record from

the NVD, synced 2026-10-25

References

• https://github.com/toeverything/AFFiNE
• https://github.com/toeverything/AFFiNE/commit/1f0bcd01a37a522393fc1b288395e3a72a79ccad
• https://github.com/toeverything/AFFiNE/issues/15179
• https://www.vulncheck.com/advisories/affine-unauthorized-document-edit-history-access-via-graphql-histories-field
• https://github.com/toeverything/AFFiNE/issues/15179

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