Medium severity · published Mar 15, 2024
CVE-2024-28053
Resource Exhaustion via the Invitation Feature
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Resource Exhaustion in Mattermost Server versions 8.1.x before 8.1.10 fails to limit the size of the payload that can be read and parsed allowing an attacker to send a very large email payload and crash the server.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mattermost · Mattermost
8.1.0 through 8.1.9 · source: vendor
MS
Mattermost Server · Mattermost
8.1.0 before 8.1.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-28053
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-28053
Vendor Advisory
https://mattermost.com/security-updates
More from Mattermost
9.9
CVE-2026-4858
Path traversal in integration action URL leading to arbitrary API execution via system admin’s auth token.
9.9
CVE-2025-12421
Account Takeover via Code Exchange Endpoint
9.9
CVE-2025-12419
Account takeover on OAuth/OpenID-enabled servers
9.9
CVE-2025-4981
Path Traversal Leading to RCE by Any Authenticated Mattermost User
9.8
CVE-2023-6458
Client side path traversal due to lack of route parameters validation
