Kuaifan DooTask up to 1.9.66 Dialog Membership Check checkDialog dialog_id improper authorization

Summaryinfo

A vulnerability was found in Kuaifan DooTask up to 1.9.66. It has been classified as critical. This impacts the function WebSocketDialog::checkDialog of the component Dialog Membership Check. Performing a manipulation of the argument dialog_id results in improper authorization. This vulnerability is cataloged as CVE-2026-111640. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Kuaifan DooTask up to 1.9.66. This affects the function WebSocketDialog::checkDialog of the component Dialog Membership Check. The manipulation of the argument dialog_id with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at hackmd.io. This vulnerability is uniquely identified as CVE-2026-111640 since 10/16/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/16/2026). The attack technique deployed by this issue is T1548.002 according to MITRE ATT&CK.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Kuaifan

Name

• DooTask

Version

• 1.9.0
• 1.9.1
• 1.9.2
• 1.9.3
• 1.9.4
• 1.9.5
• 1.9.6
• 1.9.7
• 1.9.8
• 1.9.9
• 1.9.10
• 1.9.11
• 1.9.12
• 1.9.13
• 1.9.14
• 1.9.15
• 1.9.16
• 1.9.17
• 1.9.18
• 1.9.19
• 1.9.20
• 1.9.21
• 1.9.22
• 1.9.23
• 1.9.24
• 1.9.25
• 1.9.26
• 1.9.27
• 1.9.28
• 1.9.29
• 1.9.30
• 1.9.31
• 1.9.32
• 1.9.33
• 1.9.34
• 1.9.35
• 1.9.36
• 1.9.37
• 1.9.38
• 1.9.39
• 1.9.40
• 1.9.41
• 1.9.42
• 1.9.43
• 1.9.44
• 1.9.45
• 1.9.46
• 1.9.47
• 1.9.48
• 1.9.49
• 1.9.50
• 1.9.51
• 1.9.52
• 1.9.53
• 1.9.54
• 1.9.55
• 1.9.56
• 1.9.57
• 1.9.58
• 1.9.59
• 1.9.60
• 1.9.61
• 1.9.62
• 1.9.63
• 1.9.64
• 1.9.65
• 1.9.66

CPE 2.3info

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CPE 2.2info

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