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CVE-2026-1046: mattermost desktop from 5.13.0 (inclusive), before 5.13.3 (exclusive), from 6.0.0 (inclusive), before 6.0.3…
CVE-2026-1046. CVSS 3.1 base score 6.5 (MEDIUM, NVD). EPSS 0.00259 (percentile 0.16339), scored 14-Oct-2026.
Affected technology
mattermost desktop · from 5.13.0 (inclusive), before 5.13.3 (exclusive)
mattermost
mattermost desktop · from 6.0.0 (inclusive), before 6.0.3 (exclusive)
mattermost
Mattermost · 0 through 6.2.0, 0 through 5.2.13
Mattermost
Description’s affected range: versions <=6.0 6.2.0 5.2.13.0 fail to validate help links which
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · User interaction required
Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · User interaction required
What an attacker can do
Vendor/CNA’s CVSS 3.1 assessment (base score 7.6/10) rates confidentiality impact as high; integrity impact as none; availability impact as low. NVD’s CVSS 3.1 assessment (base score 6.5/10) 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.
- CWE
- CWE-939
- CCR priority
- 26.1 /100 (P4)
- CVSS 3.1
- 6.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N · NVD
- EPSS
- 0.00259 · percentile 0.16339 · 2026-10-14
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 13:44:41.210435+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-1046.html