What is CVE-2023-27266?

CVE-2023-27266 is a low-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 2.7/10. Published 2023-02-27.

How severe is CVE-2023-27266?

Low severity. CVSS v3 base score is 2.7 out of 10.

Information disclosure in Mattermost

CVE-2023-27266

Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the /api/v4/users/me/teams API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

Vulnerability class: Information Disclosure

EPSS: 0.005 (41.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mattermost — versions 5.12.0
Mattermost Mattermost_server

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

responsibledisclosure@mattermost.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-27266?: CVE-2023-27266 is a low-severity vulnerability in Mattermost, classified under Information Disclosure. CVSS score: 2.7/10. Published 2023-02-27.
How severe is CVE-2023-27266?: Low severity. CVSS v3 base score is 2.7 out of 10.