Threats Tagged 'cve-2026-4915'
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Threats Tagged 'cve-2026-4915'
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GHSA-5gmf-x7hg-97wf: Mattermost doesn't filter nil elements from outgoing webhook attachment payloads before processingCVE-2026-4915 0 Mattermost versions 10.11.0 through 10.11.14, 11.4.0 through 11.4.4, 11.5.0 through 11.5.3, and 11.6.0 are vulnerable to a denial of service caused by failure to filter nil elements from outgoing webhook attachment payloads. An authenticated user can send a crafted webhook callback response containing a null attachment entry, which causes the server process to terminate. Join the discussion | GCVE Database | 05/26/2026, 13:30:40 UTC Added: 06/30/2026, 23:36:14 UTC |
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