What is GHSA-p4vm-rgr6-x9pc?

GHSA-p4vm-rgr6-x9pc is a security advisory published by GitHub Security Advisories with Medium severity. Mattermost versions \u003c=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before...

Which CVE IDs does GHSA-p4vm-rgr6-x9pc cover?

GHSA-p4vm-rgr6-x9pc covers the following CVE IDs: CVE-2026-116516. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-p4vm-rgr6-x9pc?

GHSA-p4vm-rgr6-x9pc has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-p4vm-rgr6-x9pcMediumCVSS 6.5

Mattermost versions <=11.9 11.1.9 11.5.8 11.10.7.0 fail to validate Zoom chat line length before...

Vendor

GitHub Security Advisories

Published

October 26, 2026

Last Modified

October 26, 2026

🔗 CVE IDs covered (1)

CVE-2026-116516 →

📋 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

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-116516
https://mattermost.com/security-updates
https://github.com/advisories/GHSA-p4vm-rgr6-x9pc