What’s Vulnerable › Vulnerabilities
CVE-2026-116516: Insufficient length validation when parsing Zoom chat transcriptions
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-10-26 · updated 2026-10-26
- Weakness: CWE-754
Description
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
Affected products
- Mattermost: from <=11.9 11.1.9 11.5.8 11.10.7.0 through <=11.9 11.1.9 11.5.8 11.10.7.0
References
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