CVE-2026-58660 — Kanboard through 1.2.52, fixed in commit 564cc30, BoardAjaxController save() method (used…¶

Key facts

CVE-2026-58660 is a High (8.1) vulnerability: Kanboard through 1.2.52, fixed in commit 564cc30, BoardAjaxController save() method (used…. This entry ships a detection-only PoC and a Docker test lab.


CVE	CVE-2026-58660
Severity	High (8.1)
Detection / prevention	—
PoC	poc.py
Source	2026/CVE-2026-58660/

Details¶

English | 한국어

Description¶

Kanboard through 1.2.52, 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.

Vulnerability Details¶

Property	Value
CVE ID	CVE-2026-58660
Type	IDOR
CVSS Score	8.1

Proof of Concept¶

Download¶

# Download PoC script
curl -O https://raw.githubusercontent.com/fankh/vulnerability-poc/main/2026/CVE-2026-58660/poc.py

Usage¶

# Run PoC against target
python3 poc.py --target <TARGET_URL>

# With authentication
python3 poc.py --target <TARGET_URL> --username <USER> --password <PASS>

⚠️ Warning: This PoC is for authorized security testing only. It uses detection-only techniques and does not exploit or damage target systems.

Test Lab¶

This repository includes a Docker-based test environment with both vulnerable and patched applications.

Quick Start¶

# Clone and navigate to CVE directory
cd CVE-2026-58660

# Start both applications
docker-compose up -d

# Run tests
./run-tests.sh    # Linux/Mac
./run-tests.ps1   # Windows PowerShell

Application Endpoints¶

Application	URL	Status
Vulnerable App	http://localhost:8080	Shows vulnerability
Patched App	http://localhost:8081	Demonstrates fix

Directory Structure¶

├── README.md           # English documentation
├── README_KO.md        # Korean documentation
├── poc.py              # PoC detection script
├── docker-compose.yml  # Container orchestration
├── run-tests.sh        # Linux/Mac test runner
├── run-tests.ps1       # Windows test runner
├── vulnerable-app/     # Vulnerable version
│   ├── app.py
│   ├── Dockerfile
│   └── requirements.txt
└── patched-app/        # Fixed version
    ├── app.py
    ├── Dockerfile
    └── requirements.txt

References¶

https://github.com/kanboard/kanboard/commit/564cc30e1e360959572e01e158734d9475c05903
https://github.com/kanboard/kanboard/issues/5852
https://github.com/kanboard/kanboard/pull/5853
https://www.vulncheck.com/advisories/kanboard-boardajaxcontroller-missing-ownership-check-via-drag-and-drop

Generated by PoC Generator on 2026-07-16T09:10:59.0051368

Frequently asked questions¶

What is CVE-2026-58660?¶

CVE-2026-58660 is a High (8.1) vulnerability: Kanboard through 1.2.52, fixed in commit 564cc30, BoardAjaxController save() method (used…. This entry ships a detection-only PoC and a Docker test lab.

How do I detect CVE-2026-58660?¶

Run the detection-only PoC included with this entry against your Docker test lab to confirm whether a target is affected; pair it with your own IDS logging.

How do I block or mitigate CVE-2026-58660?¶

Upgrade to a fixed version per the vendor advisory; the NVD record lists the affected versions. Use the included PoC to verify your remediation.

For authorized security testing and research only. See the full source and NVD record.