CVE-2026-116516Medium· 6.5▾ SunlitMattermost versions <=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before slicing which allows an authenticated attacker to crash the Agents plugin via summarizing a Zoom chat transcription containing short continu…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 35.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Mattermost versions <=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before slicing which allows an authenticated attacker to crash the Agents plugin via summarizing a Zoom chat transcription containing short continuation lines. Mattermost Advisory ID: MMSA-2026-00723
Mattermost >= <=11.9 11.1.9 11.5.8 11.10.7.0 <= <=11.9 11.1.9 11.5.8 11.10.7.0Update Mattermost to versions 11.10.0, 11.9.2, 11.8.6, 11.7.11 or higher.
Connected by shared product, vendor, weakness, or advisory.
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