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CVE-2026-19780

Koha Eval Code Injection Remote Code Execution Vulnerability

CVSS 3.0 8.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

cve-program · CVE-2026-19780

Published

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.

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Affected versions, risk and source history

Exploitation and risk

Source status

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cve-program · CVE-2026-19780

Published

Koha Eval Code Injection Remote Code Execution Vulnerability

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.

Source published
15 Sep 2026 16:05:37 UTC
Source modified
22 Sep 2026 17:57:08 UTC
Saved here
23 Oct 2026 15:48:27 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.0 · 8.8 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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Sources read 12 Nov 22:49 UTC · 273 of 275 readable · 271 fully read · documentation 469/469 current

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