P4Verified

CVE-2026-91159: discourse < 2026.1.9, >= 2026.7.0-latest, < 2026.7.3, >= 2026.8.0-latest, < 2026.8.1, >= 2026.9.0-latest, < 2026.9.0

CVE-2026-91159. CVSS 3.1 base score 7.7 (HIGH, Vendor/CNA).

Affected technology

discourse · < 2026.1.9, >= 2026.7.0-latest, < 2026.7.3, >= 2026.8.0-latest, < 2026.8.1, >= 2026.9.0-latest, < 2026.9.0
discourse

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

Vendor/CNA’s CVSS 3.1 assessment (base score 7.7/10) rates confidentiality and availability impact as none; integrity impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 15-Oct-2026 01:10 UTC

CWE: CWE-79
CCR priority: 30.8 /100 (P4)
CVSS 3.1: 7.7 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N · Vendor/CNA
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-91159.html