Resource Exhaustion via the Invitation Feature
Priority LOW 29CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 9.5.0, 8.1.10github.com/mattermost/mattermost/server/v8 (Go): 0.0.0-20240209181221-674f549daf0e+3 more products
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Mattermost | Mattermost | 8.1.0 – 8.1.9 | 9.5.0, 8.1.10 | Patch available | CNA |
| — | github.com/mattermost/mattermost/server/v8 (Go) | before 0.0.0-20240209181221-674f549daf0e | 0.0.0-20240209181221-674f549daf0e | Patch available | GHSA-qqc8-rv37-79q5 |
| — | github.com/mattermost/mattermost-server (Go) | before 0.0.0-20240209181221-674f549daf0e | 0.0.0-20240209181221-674f549daf0e | Patch available | GHSA-qqc8-rv37-79q5 |
| — | github.com/mattermost/mattermost-server/v5 (Go) | before 0.0.0-20240209181221-674f549daf0e | 0.0.0-20240209181221-674f549daf0e | Patch available | GHSA-qqc8-rv37-79q5 |
| — | github.com/mattermost/mattermost-server/v6 (Go) | before 0.0.0-20240209181221-674f549daf0e | 0.0.0-20240209181221-674f549daf0e | Patch available | GHSA-qqc8-rv37-79q5 |
- Mattermost VendorMattermost Affected 8.1.0 – 8.1.9 Fixed in 9.5.0, 8.1.10 Patch available CNA
- github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected before 0.0.0-20240209181221-674f549daf0e Fixed in 0.0.0-20240209181221-674f549daf0e Patch available GHSA-qqc8-rv37-79q5
- github.com/mattermost/mattermost-server (Go) Vendor— Affected before 0.0.0-20240209181221-674f549daf0e Fixed in 0.0.0-20240209181221-674f549daf0e Patch available GHSA-qqc8-rv37-79q5
- github.com/mattermost/mattermost-server/v5 (Go) Vendor— Affected before 0.0.0-20240209181221-674f549daf0e Fixed in 0.0.0-20240209181221-674f549daf0e Patch available GHSA-qqc8-rv37-79q5
- github.com/mattermost/mattermost-server/v6 (Go) Vendor— Affected before 0.0.0-20240209181221-674f549daf0e Fixed in 0.0.0-20240209181221-674f549daf0e Patch available GHSA-qqc8-rv37-79q5
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* | 8.1.0 to before 8.1.10 | Vulnerable | Mattermost |
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions 8.1.0 to before 8.1.10 Vulnerable ·Mattermost
Remediation
- Fix · CNA Mattermost (Mattermost) Fixed in 9.5.0, 8.1.10
- Fix · GHSA-qqc8-rv37-79q5 github.com/mattermost/mattermost/server/v8 (Go) Fixed in 0.0.0-20240209181221-674f549daf0e Advisory →
- Fix · GHSA-qqc8-rv37-79q5 github.com/mattermost/mattermost-server (Go) Fixed in 0.0.0-20240209181221-674f549daf0e Advisory →
- Fix · GHSA-qqc8-rv37-79q5 github.com/mattermost/mattermost-server/v5 (Go) Fixed in 0.0.0-20240209181221-674f549daf0e Advisory →
- Fix · GHSA-qqc8-rv37-79q5 github.com/mattermost/mattermost-server/v6 (Go) Fixed in 0.0.0-20240209181221-674f549daf0e Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-28053
- 2026-10-03 Alias added: GHSA-qqc8-rv37-79q5
References
More Mattermost Server vulnerabilities
- TI-2025-18933 Arbitrary file read in Mattermost Boards via import & export board archive CVSS 3.1CRITICAL 9.9
- TI-2025-04465 Path Traversal Leading to RCE by Any Authenticated Mattermost User CVSS 3.1CRITICAL 9.9
- TI-2017-14068 An issue was discovered in Mattermost Server before 3.6.2. CVSS 3.1CRITICAL 9.8
- TI-2017-14060 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. CVSS 3.1CRITICAL 9.8
- TI-2017-14048 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. CVSS 3.1CRITICAL 9.8
- TI-2025-14360 Arbitrary file read via block duplication in Mattermost Boards CVSS 3.1CRITICAL 9.9
Sources
- CVE-2024-28053 · CVE Program
- CVE-2024-28053 · NVD
- FIRST EPSS
- GHSA-qqc8-rv37-79q5 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences