Mattermost versions 10.10.x <= 10.10.2, 10.5.x <= 10.5.10, 10.11.x <= 10.11.2 fail to validate email ownership during Slack import process which allows attackers to create verified user accounts with arbitrary email domains via malicious Slack import data to bypass email-based team access restrictions
CVE-2025-41410
This medium-severity CVE scores 5.4 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 80% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.4
- EG Score
- 5.4(medium)
- EG Risk
- 24(Track)EG Risk 24/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity54% × 45%Exploitation0% × 40%Automatability0% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 0%
- EPSS %ILE
- 23%
- KEV
- Not listed
Published
October 16, 2025
Last Modified
October 21, 2025
References (1)
- responsibledisclosure@mattermosthttps://mattermost.com/security-updates
Affected Packages
(4 across 1 ecosystem)
Go(4)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| github.com/mattermost/mattermost-server | — | 10.11.3+incompatible | — |
| github.com/mattermost/mattermost-server/v5 | — | — | — |
| github.com/mattermost/mattermost-server/v6 | — | — | — |
| github.com/mattermost/mattermost/server/v8 | — | 8.0.0-20250822083415-01b95392a450 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 6× in last 7d / 26× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 138 total refreshes for this CVE.
- 2026-09-18 19:27 UTCEPSS rescore
- 2026-09-17 19:29 UTCEPSS rescore
- 2026-09-16 14:07 UTCEPSS rescore
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- 2026-09-12 20:06 UTCOSV refresh
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- 2026-08-25 01:26 UTCOSV refresh
- 2026-08-23 00:18 UTCEPSS rescore
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- 2026-08-20 22:54 UTCEPSS rescore
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- 2026-08-08 18:55 UTCOSV refresh
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- 2026-07-23 17:41 UTCOSV refresh
- 2026-07-23 02:55 UTCEG score recompute
- 2026-07-22 14:07 UTCEPSS rescore
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- 2026-07-09 19:09 UTCEPSS rescore
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- 2026-07-07 13:45 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 12:11 UTCOSV refresh
- 2026-07-06 02:23 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
Related CVEs(same CWE)
Same CWE
10 shownCWE-862
- CVE-2013-3960EG 9.9CRITICAL
- CVE-2015-10143EG 9.8CRITICAL
- CVE-2016-11036EG 9.8CRITICAL
- CVE-2018-11541EG 9.8CRITICAL
- CVE-2011-4183NVD 6.5EG 9.8CRITICAL
- CVE-2018-10251EG 9.8EPSS p91CRITICAL
- CVE-2018-1217EG 9.8EPSS p99CRITICAL
- CVE-2018-0015EG 9.8CRITICAL
- CVE-2017-12582EG 9.8CRITICAL
- CVE-2017-1000056EG 9.8CRITICAL
Frequently asked(5)
What is CVE-2025-41410?
When was CVE-2025-41410 disclosed?
Is CVE-2025-41410 actively exploited?
What is the CVSS score of CVE-2025-41410?
How do I remediate CVE-2025-41410?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2025-41410
Is Your Infrastructure Affected by CVE-2025-41410?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.