3.1

CVE-2025-1792: Improper Access Control in Mattermost Channel Member API

Analyzed
AliasesGHSA-hc6v-386m-93pqGO-2025-3730
Published 30-05-2025Last modified 12-06-2025

Vulnerability summary

CVE-2025-1792 is a low (CVSS 3.1) Incorrect Authorization vulnerability in mattermost. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 16.5% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 3.1, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
3.1/10
010
Low · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 2
OPENSUSE-SU-2025:15225-1CGA-J43G-F5XJ-Q3PJ

Timeline

  1. 30-05-2025
    PublishedVulnerability first disclosed.
  2. 12-06-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.7.x <= 10.7.0, 10.5.x <= 10.5.3, 9.11.x <= 9.11.12 fail to properly enforce access controls for guest users accessing channel member information, allowing authenticated guest users to view metadata about members of public channels via the channel members API endpoint.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Github.com/mattermost/mattermost-server2 products
  • v5All versions (No fix recorded)
  • v6All versions (No fix recorded)
Mattermost2 products
  • mattermost≥ 10.5.0, ≤ 10.5.3 | ≥ 9.11.0, ≤ 9.11.12
  • mattermost_server≥ 9.11.0, < 9.11.13 | ≥ 10.5.0, < 10.5.4 | ≥ 10.7.0, < 10.7.1
Github.com/mattermost1 product
  • mattermost-server≥ 10.6.0-rc1+incompatible, < 10.7.1+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8≥ 10.6.0-rc1, < 10.7.1 | ≥ 10.0.0-rc1, < 10.5.4 | ≥ 9.0.0-rc1, < 9.11.13 | < 8.0.0-20250414110750-c23f44fe8ed0

4 vendors · 6 products

References

5 links