# CVE-2026-19780

## Summary

- **CVE ID:** CVE-2026-19780
- **Severity:** HIGH
- **CVSS Score:** 8.8 (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-95
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

Koha Eval Code Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Koha. Authentication is required to exploit this vulnerability.

The specific flaw exists within the web service, which listens on TCP port 8081 by default. The issue results from the lack of proper validation of a user-supplied string before passing it to the eval function. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-29165.

## Affected Products

- Koha — Koha (25.12.00)

## References

- [CNA](https://www.zerodayinitiative.com/advisories/ZDI-26-616/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.96%
- **EPSS Percentile:** 59.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._