CVE-2023-27265

Name: CVE-2023-27265
Creator: NVD / NIST
Published: 2023-02-27T15:15:11.997+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.7/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2023-27265 is a low-severity vulnerability rated 2.7/10 on the CVSS scale. Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response. . EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

Mattermost fails to honor the ShowEmailAddress setting when constructing a response to the "Regenerate Invite Id" API endpoint, allowing an attacker with team admin privileges to learn the team owner's email address in the response.

Metrics

CVSS 3.1

2.7/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.53%

40.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Server	>= 5.12.0, < 7.7.0

References

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

Timeline

Published: Feb 27, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-27265?

How severe is CVE-2023-27265?

CVE-2023-27265 has a CVSS score of 2.7/10 (LOW severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2023-27265?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-27265?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST