4.3

CVE-2025-47870: mattermost

CVSS: 4.3v3.1MediumAnalyzed
AliasesGHSA-qj47-w9f2-qg44GO-2025-3905
Published 21-08-2025Last modified 21-08-2025

Vulnerability summary

CVE-2025-47870 is a medium (CVSS 4.3) vulnerability in mattermost. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 11.8% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 21-08-2025
    PublishedVulnerability first disclosed.
  2. 21-08-2025
    Last modifiedVulnerability information updated.

Description

Mattermost versions 10.8.x <= 10.8.3, 10.5.x <= 10.5.8, 9.11.x <= 9.11.17, 10.9.x <= 10.9.2 fail to sanitize the team invite ID in the POST /api/v4/teams/:teamId/restore endpoint which allows an team admin with no member invite privileges to get the team’s invite id.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github.com/mattermost/mattermost-server2 products
  • v5≤ 5.39.3 | All versions (No fix recorded)
  • v6≤ 6.7.2 | All versions (No fix recorded)
Mattermost2 products
  • mattermost≥ 10.8.0, ≤ 10.8.3 | ≥ 10.5.0, ≤ 10.5.8 | ≥ 9.11.0, ≤ 9.11.17 | ≥ 10.9.0, ≤ 10.9.2
  • mattermost_server≥ 9.11.0, < 9.11.18 | ≥ 10.5.0, < 10.5.9 | ≥ 10.8.0, < 10.8.4 | ≥ 10.9.0, < 10.9.3
Github.com/mattermost1 product
  • mattermost-server≥ 10.8.0, < 10.8.4 | ≥ 10.5.0, < 10.5.9 | ≥ 9.11.0, < 9.11.18 | ≥ 10.9.0, < 10.9.3 | ≥ 10.9.0+incompatible, < 10.9.3+incompatible
Github.com/mattermost/mattermost/server1 product
  • v8< 8.0.0-20250708065844-b38e2eccda18

4 vendors · 6 products

References

5 links