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CVE-2024-40884

Unauthorized disabling of invite URL

LOW
2.7
CVSS Score
Published: August 22, 2024 at 03:17 PM UTC
Updated: June 17, 2026 at 07:46 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
LOW2.7
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Mattermost versions 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 fail to properly enforce permissions which allows a team admin user without "Add Team Members" permission to disable the invite URL.

Affected

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

Mattermost Server· Mattermost
95%
9.5.0 ≤ v < 9.5.89.10.0
Affected range stops below 9.5.8, so it looks safe — our inference, not a vendor statement
Mattermost· Mattermost
60%
9.5.0 ≤ v ≤ 9.5.79.10.09.5.0
Vendor states this is fixed in 9.10.1 (unaffected)
Vendor states this is fixed in 9.11.0 (unaffected)
Vendor states this is fixed in 9.5.8 (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

2.7LOWMattermost
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-284NVD-CWE-noinfo

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