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CVE-2026-4054

MEDIUM · CVSS 4.3 EPSS %0.10

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-05-15T19:17:04.803 · Çekilme zamanı: 2026-06-09T06:01:41.966826+00:00

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CVE
CVE-2026-4054
Severity
MEDIUM
CVSS
4.3
EPSS
%0.10

Orijinal NVD Açıklaması

Mattermost versions 11.5.x <= 11.5.1, 10.11.x <= 10.11.13, 11.4.x <= 11.4.3 Fail to validate the response body of proxied images, which allows a remote attacker to enact client-side DoS via an SVG file served from an attacker-controlled origin under a non-SVG Content-Type header (e.g. image/png) embedded in an og:image meta tag or Markdown image link.. Mattermost Advisory ID: MMSA-2026-00630