P4Verified

CVE-2026-78359: OTRS 7.0.x, 8.0.x, 2023.x, 2024.x, 2025.x, 2026.x through 2026.6.x; +1 more affected products

CVE-2026-78359. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA).

Affected technology

OTRS · 7.0.x, 8.0.x, 2023.x, 2024.x, 2025.x, 2026.x through 2026.6.x
OTRS GmbH (former OTRS AG)

((OTRS)) Community Edition · 6.x
OTRS GmbH (former OTRS AG)

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 authenticated user with permission to create or modify customer users may create a customer user whose email address is already assigned to a customer user in another backend. Vendor/CNA’s CVSS 3.1 assessment (base score 5.4/10) rates confidentiality and integrity impact as low; availability impact as none.

Published 12-Oct-2026 09:35 UTC

CWE: CWE-694, CWE-706
CCR priority: 21.6 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N · Vendor/CNA
KEV: no

Provenance

GitHub Advisory Database · Source record · observed 2026-10-12 09:37:50.126941+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-12 09:35:23.534032+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-78359.html