CVE-2026-111640 DooTask through 1.9.66 Missing Authorization in OKR Comment Dialogs
Authenticated users can read and inject messages in OKR comment dialogs due to missing authorization checks in DooTask.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-111640?
CVE-2026-111640 is a medium-severity missing authorization vulnerability in kuaifan dootask, published on 16 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-111640?
How do I fix CVE-2026-111640?
No fix has been published for CVE-2026-111640 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-111640 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-111640 exists.
Sources
Also known as GHSA-mhf9-f2rf-r32c.