Is CVE-2025-14435 in the CISA KEV catalog?

No. CVE-2025-14435 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-14435?

CVE-2025-14435 has a CVSS v3 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2025-14435?

CVE-2025-14435 has an EPSS score of 0.27% (19th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-14435?

Upgrade mattermost server to 11.1.2 or later.

CVE & CISA-KEV Catalog

CVE-2025-14435

MEDIUM

6.8

CVSS v3

NVD

Description

Mattermost versions 10.11.x <= 10.11.8, 11.1.x <= 11.1.1, 11.0.x <= 11.0.6 fail to prevent infinite re-renders on API errors which allows authenticated users to cause application-level DoS via triggering unbounded component re-render loops.

CWE-770Allocation of Resources Without Limits or Throttling

How to fix

Remediation Available

mattermost serverNVD

Affected:>= 11.1.0, < 11.1.2Fixed in:11.1.2CVE-2025-14435derived from NVD

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 InteractionRequired

ScopeChanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

19thpercentile

Low risk: more likely to be exploited than 19% of all known CVEs.

References

Vendor Advisory1

mattermost.com

Related Vulnerabilities

Other CWE-770 (Allocation of Resources Without Limits or Throttling) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-50387	High	7.5	100%	-	Fix
CVE-2019-11478	Medium	5.3	95%	-	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-27316	High	7.5	91%	-	Fix
CVE-2022-30522	High	7.5	90%	-	Fix
CVE-2019-9515	High	7.5	88%	-	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 2026-01-20.