CVE-2024-34152

Playbook Run Metadata leak to Guest

MEDIUM
4.3
CVSS Score
Published: May 26, 2024 at 01:28 PM UTC
Updated: June 17, 2026 at 07:33 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1 and 8.1.x <= 8.1.12 fail to perform proper access control which allows a guest to get the metadata of a public playbook run that linked to the channel they are guest via sending an RHSRuns GraphQL query request to the server

Affected

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

8.1.0 ≤ v < 8.1.139.5.0 ≤ v < 9.5.49.6.0 ≤ v < 9.6.2
8.1.0 ≤ v ≤ 8.1.129.5.0 ≤ v ≤ 9.5.39.6.0 ≤ v ≤ 9.6.18.1.09.5.09.6.0
Vendor states this is fixed in 8.1.13 (unaffected)
Vendor states this is fixed in 9.5.4 (unaffected)
Vendor states this is fixed in 9.6.2 (unaffected)
Vendor states this is fixed in 9.7.0 (unaffected)

Remediation

No guide yet

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

Patch and advisory references

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

4.3MEDIUMMattermost
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-284

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