---
cve: "CVE-2026-19906"
severity: "MEDIUM"
cvss: 6.3
epss: "0.3%"
vendor: "pkp"
kev: false
exploited: false
published: "2026-08-15 19:16:32"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-29T04:24:18+02:00"
---

# CVE-2026-19906

> 6.3 MEDIUM · 🧪 PoC

## Beschreibung

A weakness has been identified in pkp pkp-lib 3.3.0/3.4.0/3.5.0. This vulnerability affects the function setData of the file classes/user/form/APIProfileForm.php of the component API Key Generation. Executing a manipulation of the argument apiKey can lead to insufficient entropy. The attack may be performed from remote. This attack is characterized by high complexity. It is stated that the exploitability is difficult. This patch is called 529b5df878e571ccc727647f7748eafc1466b041. It is best practice to apply a patch to resolve this issue.

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **no**
  - Technical Impact: **partial**

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 529b5df878e571ccc727647f7748eafc1466b041 (Commit)

## Referenzen

- <https://vuldb.com/vuln/390119>
- <https://vuldb.com/vuln/390119/cti>
- <https://vuldb.com/cve/CVE-2026-19906>
- <https://vuldb.com/submit/870828>
- <https://github.com/pkp/pkp-lib/issues/12951>
- <https://github.com/pkp/pkp-lib/commit/529b5df878e571ccc727647f7748eafc1466b041>
- <https://github.com/pkp/pkp-lib/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-19906) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_