PT-2026-28422 · Mattermost · Mattermost

Winfunc · Publicado 2026-03-26 · Atualizado 2026-03-26 · CVE-2026-3113

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Média

Vetor base

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.x through 10.11.11 Mattermost versions 11.2.x through 11.2.3 Mattermost versions 11.3.x through 11.3.1 Mattermost versions 11.4.x through 11.4.0

Description The software fails to properly set permissions on downloaded bulk exports. This allows other local users on the server to read the contents of the exported data.

Recommendations Update Mattermost versions prior to 10.11.12. Update Mattermost versions prior to 11.2.4. Update Mattermost versions prior to 11.3.2. Update Mattermost versions prior to 11.4.1.

Correção

Incorrect Permission

Enumeração de Fraquezas

CWE-732

Identificadores relacionados

CVE-2026-3113

GHSA-4765-V66X-RQX7

Produtos afetados

Mattermost

Referências · 5

• https://github.com/mattermost/mattermost · Nota
• https://osv.dev/vulnerability/GHSA-4765-v66x-rqx7 · Aviso do Fabricante
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-3113 · Nota
• https://mattermost.com/security-updates · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2026-3113 · Nota de Segurança