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CVE-2023-46701

Inaccessible Post Information Leak via Run Timeline IDOR

MEDIUM
5.3
CVSS Score
Published: December 12, 2023 at 08:19 AM UTC
Updated: June 17, 2026 at 06:31 AM UTC
2 products affected across 1 vendorMattermost ServerMattermost

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.4%

Description

Mattermost fails to perform authorization checks in the /plugins/playbooks/api/v0/runs/add-to-timeline-dialog endpoint of the Playbooks plugin allowing an attacker to get limited information about a post if they know the post ID

Affected

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

Mattermost Server· Mattermost
95%
v ≤ 7.8.148.0.0 ≤ v ≤ 8.1.59.0.0 ≤ v ≤ 9.0.39.1.1 ≤ v ≤ 9.1.29.2.0 ≤ v ≤ 9.2.1
Mattermost· Mattermost
60%
v ≤ 8.1.5v ≤ 9.0.3v ≤ 9.1.2v ≤ 9.2.1
Vendor states this is fixed in 8.1.6 (unaffected)
Vendor states this is fixed in 9.0.4 (unaffected)
Vendor states this is fixed in 9.1.3 (unaffected)
Vendor states this is fixed in 9.2.2 (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)

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

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200CWE-639

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