---
cve: "CVE-2026-31844"
severity: "HIGH"
cvss: 8.7
epss: "37%"
vendor: "Koha Community"
kev: false
exploited: false
published: "2026-03-11 07:16:43"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T03:47:08+02:00"
---

# CVE-2026-31844

> 8.7 HIGH

## Beschreibung

An authenticated SQL Injection vulnerability (CWE-89) exists in the Koha staff interface in the /cgi-bin/koha/suggestion/suggestion.pl endpoint due to improper validation of the displayby parameter used by the GetDistinctValues functionality. Successful exploitation may lead to full compromise of the backend database, including disclosure or modification of stored data.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Schwachstellen-Klasse

- **CWE-89** — Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
  The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as…

## Angriffsmuster (CAPEC)

- [CAPEC-7 — Blind SQL Injection](https://capec.mitre.org/data/definitions/7.html) _(Severity: High)_
- [CAPEC-66 — SQL Injection](https://capec.mitre.org/data/definitions/66.html) _(Severity: High)_
- [CAPEC-108 — Command Line Execution through SQL Injection](https://capec.mitre.org/data/definitions/108.html) _(Severity: Very High)_
- [CAPEC-109 — Object Relational Mapping Injection](https://capec.mitre.org/data/definitions/109.html) _(Severity: High)_
- [CAPEC-110 — SQL Injection through SOAP Parameter Tampering](https://capec.mitre.org/data/definitions/110.html) _(Severity: Very High)_
- [CAPEC-470 — Expanding Control over the Operating System from the Database](https://capec.mitre.org/data/definitions/470.html) _(Severity: Very High)_

## Patch verfügbar (OSV)

- 5b7a05b4dbd9219a33eaa709103189f93163bf97 (Commit)
- 87a3a54768a2b324fdc0c16b5623d092fac7652a (Commit)

## Referenzen

- <https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=41593>
- <https://koha-community.gitlab.io/KohaAdvent/2025-12-09-security-all/>
- <https://koha-community.org/koha-25-11-01-released/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-31844) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_