PT-2026-115518 · Mattermost · Mattermost
CVE-2026-19621
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Publicado
2026-10-16
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Atualizado
2026-10-16
CVSS v3.1
6.5
Média
| Vetor | AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Mattermost versions 11.10.x <= 11.10.0, 11.7.x <= 11.7.9, 11.9.x <= 11.9.1, 11.8.x <= 11.8.5 fail to strip action integration secrets from post payloads before broadcasting post-deletion web socket events and returning thread API responses, which allows an authenticated channel member to obtain server-side webhook URLs and authentication context from interactive-message posts via the post deleted websocket event or the threads REST API.. Mattermost Advisory ID: MMSA-2026-00766
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