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CVE-2026-19780

Koha Eval Code Injection Remote Code Execution Vulnerability

HIGH
8.8
CVSS Score
Published: September 15, 2026 at 04:05 PM UTC
Updated: September 22, 2026 at 06:17 PM UTC
1 product affected across 1 vendorKoha

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Severity
HIGH8.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_research-advisory
Source: cverecord
https://www.zerodayinitiative.com/advisories/ZDI-26-616/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHzdi
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-95

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