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.
Published: 2026-09-15
Score: 8.8 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Tue, 15 Sep 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Koha
Koha koha
Vendors & Products Koha
Koha koha

Tue, 15 Sep 2026 16:30:00 +0000

Type Values Removed Values Added
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.
Title Koha Eval Code Injection Remote Code Execution Vulnerability
Weaknesses CWE-95
References
Metrics cvssV3_0

{'score': 8.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-09-15T16:05:37.050Z

Reserved: 2026-08-13T17:43:05.969Z

Link: CVE-2026-19780

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-15T17:17:11.383

Modified: 2026-09-15T17:17:11.383

Link: CVE-2026-19780

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-15T18:30:14Z

Weaknesses
  • CWE-95

    Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')