What’s Vulnerable › Vulnerabilities
CVE-2023-48268: Denial of Service via Board Import Zip Bomb
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-11-27 · updated 2026-06-17
- Weakness: CWE-400
Description
Mattermost fails to limit the amount of data extracted from compressed archives during board import in Mattermost Boards allowing an attacker to consume excessive resources, possibly leading to Denial of Service, by importing a board using a specially crafted zip (zip bomb).
Affected products
- Mattermost App Framework: through 7.8.12; from 8.0.0 through 8.1.3; from 9.0.0 through 9.0.1; 9.1.0
References
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