What’s Vulnerable › Vulnerabilities

CVE-2019-20849

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-19 · updated 2026-06-17
• Weakness: CWE-459

Description

An issue was discovered in Mattermost Mobile Apps before 1.26.0. Cookie data can persist on a device after a logout.

Affected products

• Mattermost Mobile: before 1.26.0 — fixed in 1.26.0

How to fix

Upgrade to a fixed version: Mattermost Mobile 1.26.0. Check the vendor advisory for mitigations.

References

• https://mattermost.com/security-updates/
• https://mattermost.com/security-updates/

Get alerted when CVE-2019-20849 or the next vulnerability affects your stack