CVE-2026-111640

DooTask through 1.9.66 contains a missing authorization vulnerability in WebSocketDialog::checkDialog() that skips the membership check for dialogs with group_type 'okr'. Authenticated users can supply the dialog_id of OKR comment dialogs to msg__list, msg__one, or msg__send* endpoints to read and inject messages.

CVSS 4.0

5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-16

Modified

2026-10-19

Record from

the NVD, synced 2026-10-19

References

• https://github.com/kuaifan/dootask/blob/v1.9.66/app/Models/WebSocketDialog.php#L976-L978
• https://hackmd.io/@hieuPenguinnn/dootask-okr-dialog-missing-membership-check
• https://www.vulncheck.com/advisories/dootask-through-1.9.66-missing-authorization-in-okr-comment-dialogs
• https://hackmd.io/@hieuPenguinnn/dootask-okr-dialog-missing-membership-check

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