CVE-2026-94210: Hyve5 Leantime Kanban Board Tickets.php getAllGrouped cross site scripting

Severity: low (CVSS 3.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-21 · updated 2026-09-21
Weakness: CWE-79

Description

A flaw has been found in Hyve5 Leantime up to 3.9.8. Affected by this vulnerability is the function getAllGrouped of the file app/Domain/Tickets/Services/Tickets.php of the component Kanban Board. This manipulation causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: a30a6837b4071ac05a4f58d0e1baa2c62aa8695e. To fix this issue, it is recommended to deploy a patch.

Affected products

Hyve5 Leantime: 3.9.0, 3.9.1, 3.9.2, 3.9.3, 3.9.4, 3.9.5 (+3)

References

https://github.com/Leantime/leantime/commit/a30a6837b4071ac05a4f58d0e1baa2c62aa8695e
https://github.com/Leantime/leantime/pull/3767
https://github.com/natanmorette-thoropass/thoropass-vuln-research-program/tree/main/2026/Stored%20XSS%20in%20Leantime%20Kanban%20Swimlane%20Headers%20Enables%20Privilege%20Escalation%20to%20Owner
https://vuldb.com/cve/CVE-2026-94210
https://vuldb.com/submit/894646
https://vuldb.com/vuln/408068
https://vuldb.com/vuln/408068/cti

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