CVE-2026-44731: openproject < 17.3.2

CVE-2026-44731. CVSS 3.1 base score 4.3 (MEDIUM, Vendor/CNA). EPSS 0.00294 (percentile 0.20916), scored 24-Oct-2026.

Affected technology

openproject · < 17.3.2
opf

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · No user interaction required

What an attacker can do

An attacker can enumerate all existing user accounts by probing user IDs and observing differences in the server response. Vendor/CNA’s CVSS 3.1 assessment (base score 4.3/10) rates confidentiality impact as low; integrity and availability impact as none.

Published 25-Oct-2026 19:52 UTC

CWE: CWE-639
CCR priority: 17.3 /100 (P5)
CVSS 3.1: 4.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · Vendor/CNA
EPSS: 0.00294 · percentile 0.21792 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-44731.html