TI-2026-16042 Aliases CVE-2026-19780 GHSA-rpfv-xv37-p4ch

Koha Eval Code Injection Remote Code Execution Vulnerability

MEDIUM 42CWE-95Published 2026-09-15 · Updated 2026-09-22

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-95.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.01026 63rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Koha	Koha	25.12.00	—	No fix listed	CNA

Koha VendorKoha Affected 25.12.00 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-19780
2026-10-03 Alias added: GHSA-rpfv-xv37-p4ch
2026-10-25 EPSS moved to the 50th–90th percentile

References

Other 1

ZDI-26-616

TI-2024-18975 An issue in Koha ILS 23.05 and before allows a remote attacker to execute arbitrary code… CVSS 3.1CRITICAL 9.6
TI-2024-18976 Cross Site Scripting vulnerability in Koha ILS 23.05 and before allows a remote attacker… CVSS 3.1CRITICAL 9.6
TI-2026-24397 Authenticated SQL Injection in Koha displayby parameter of suggestion.pl CVSS 4.0HIGH 8.7
TI-2024-16095 CSV Injection vulnerability in '/members/moremember.pl' and '/admin/aqbudgets.pl'… CVSS 3.1HIGH 8.8
TI-2026-21318 Koha versions up to 25.11 contain a Server-Side Request Forgery (SSRF) vulnerability via… CVSS 3.1MEDIUM 6.5
TI-2025-16798 SQL injection in Koha CVSS 3.1CRITICAL 10.0

See all 26 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences