# CVE-2026-5823: itsourcecode Construction Management System SQL injection in borrowed_tool_report.php

Source: https://junglewise.ai/threats/cve-2026-5823-itsourcecode-construction-management-system-sql-injection-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-04-09. Updated: 2026-07-24  
License: CC BY 4.0 with a link back

CVE-2026-5823 · Severity: medium · CVSS 6.3 · Published 2026-04-09

A security vulnerability exists in the itsourcecode Construction Management System, a software platform used for managing construction projects and tool inventory. An attacker with basic user credentials can exploit this flaw to gain unauthorized access to the underlying database. This could lead to the theft of sensitive project data, tampering with records, or disruption of business operations.

Technologies: [Itsourcecode Construction Management System](https://junglewise.ai/threats/technologies/construction-management-system). Vendors: [Itsourcecode](https://junglewise.ai/threats/vendors/itsourcecode).

## Quick answers

**Is CVE-2026-5823 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-5823 being exploited in the wild.

**How severe is CVE-2026-5823?** Medium severity, with a CVSS score of 6.3, published 9 April 2026.

**Which products and versions are affected?** Itsourcecode Construction Management System 1.0.

**Is there a fix for CVE-2026-5823?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-5823 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2026-5823?** Check whether you run Itsourcecode Construction Management System at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A SQL injection vulnerability exists in itsourcecode Construction Management System 1.0 within the /borrowed_tool_report.php file. The root cause is the improper sanitization of the 'start' POST parameter (erroneously referred to as 'Home' in some initial reports). An authenticated attacker can provide malicious SQL payloads to perform error-based or time-based blind SQL injection. This allows for unauthorized database enumeration, data extraction, and potential system compromise. A public exploit (PoC) using sqlmap has been disclosed. No official patch is currently documented; users are advised to implement prepared statements and input validation.

## Affected products

- itsourcecode Construction Management System 1.0

## Timeline

- 2026-03-25: disclosed: Vulnerability details and PoC shared on GitHub.
- 2026-04-09: advisory: CVE-2026-5823 published.

## References

- [https://github.com/ltranquility/cve_submit/issues/14](https://github.com/ltranquility/cve_submit/issues/14)
- [https://itsourcecode.com/](https://itsourcecode.com/)
- [https://vuldb.com/submit/788299](https://vuldb.com/submit/788299)
- [https://vuldb.com/vuln/356270](https://vuldb.com/vuln/356270)
- [https://vuldb.com/vuln/356270/cti](https://vuldb.com/vuln/356270/cti)

## Related threats

- [itsourcecode Construction Management System SQL injection in borrowedtool.php](https://junglewise.ai/threats/cve-2026-5719-itsourcecode-construction-management-system-sql-injection-in)
- [itsourcecode Construction Management System SQL injection in borrowedequip.php](https://junglewise.ai/threats/cve-2026-5681-itsourcecode-construction-management-system-sql-injection-in)
- [itsourcecode Construction Management System SQL injection in borrowed_tool.php](https://junglewise.ai/threats/cve-2026-5675-itsourcecode-construction-management-system-sql-injection-in)
- [itsourcecode Construction Management System SQL injection in borrowed_equip_report.php](https://junglewise.ai/threats/cve-2026-5620-itsourcecode-construction-management-system-sql-injection-in)