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CVE-2024-28053

Resource Exhaustion via the Invitation Feature

MEDIUM
6.5
CVSS Score
Published: March 15, 2024 at 09:08 AM UTC
Updated: June 17, 2026 at 07:20 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mattermost Server· Mattermost
95%
8.1.0 ≤ v < 8.1.10
Affected range stops below 8.1.10, so it looks safe — our inference, not a vendor statement
Mattermost· Mattermost
60%
8.1.0 ≤ v ≤ 8.1.98.1.0
Vendor states this is fixed in 8.1.10 (unaffected)
Vendor states this is fixed in 9.5.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor Advisory
Source: [email protected]
https://mattermost.com/security-updates

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-400CWE-770

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