Is CVE-2025-41395 in the CISA KEV catalog?

No. CVE-2025-41395 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-41395?

CVE-2025-41395 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-41395?

CVE-2025-41395 has an EPSS score of 0.43% (35th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-41395?

Upgrade mattermost server to 10.5.1 or later.

CVE & CISA-KEV Catalog

CVE-2025-41395

MEDIUM

6.5

CVSS v3

NVD

Description

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available

mattermost serverNVD

Affected:>= 10.5.0, < 10.5.1Fixed in:10.5.1CVE-2025-41395derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.43%probability of exploitation in 30 days

35thpercentile

Low risk: more likely to be exploited than 35% of all known CVEs.

References

Vendor Advisory1

mattermost.com

Related Vulnerabilities

Other CWE-1287 (Improper Validation of Specified Type of Input) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-4879	Critical	9.8	100%	KEV	-
CVE-2022-31007	Medium	4.9	26%	-	Fix
CVE-2024-6298	Critical	10.0	19%	-	-
CVE-2026-25639	High	7.5	2.5%	-	Fix
CVE-2021-43802	Critical	9.9	2.0%	-	Fix
CVE-2024-51550	Critical	10.0	1.8%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-01.