CVE-2023-27263

IDOR: Accessing playbook runs via the Playbooks Runs API

MEDIUM

6.5

CVSS Score

Published: February 27, 2023 at 02:44 PM UTC

Updated: June 17, 2026 at 05:44 AM UTC

1 product affected across 1 vendorMattermost

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Severity

MEDIUM6.5

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

Description

A missing permissions check in the /plugins/playbooks/api/v0/runs API in Mattermost allows an attacker to list and view playbooks belonging to a team they are not a member of.

Affected

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

Mattermost · Mattermost

95%

v ≤ 7.1.4v ≤ 7.4.0v ≤ 7.5.17.4.0 7.5.0 7.5.1

Remediation

No guide yet

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

Patch and advisory references

https://mattermost.com/security-updates/

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: HIGH
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-862

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