Dashboard / CVE-2026-58660

CVE-2026-58660

HIGH
MEDIUM Priority: 0.04 BB Relevance: 65/100
Published: 2026-07-15 Modified: 2026-10-29 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
AT: None
VC: None
VI: High
VA: High

Description

Kanboard before 1.2.53, fixed in commit 564cc30, BoardAjaxController save() method (used by the kanban board drag-and-drop endpoint) validates the caller's role on the attacker-supplied project_id but never verifies that the supplied task_id actually belongs to that project. Because task identifiers are sequential integers shared across the entire instance, any authenticated user who is a member of at least one project can enumerate and move (corrupt/hide) tasks belonging to any other project on the same instance, including private projects they have no membership or role on.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
kanboard kanboard 0 < 1.2.53
kanboard kanboard 0 < 1.2.53

References & Advisories (4)

https://github.com/kanboard/kanboard/issues/5852
technical-description exploit

Bug Bounty Relevance

65 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

7.2 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.50%
Raw Score 0.005040
Percentile 43.0%
Date 2026-10-29

Intelligence Sources

mitre ref →
nvd ref →

External Links