CVE-2026-111640: DooTask through 1.9.66 Missing Authorization in OKR Comment Dialogs

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-16 · updated 2026-10-19
Weakness: CWE-639

Description

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.

Affected products

kuaifan dootask: through 1.9.66

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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