Lucene search
+L

Mattermost security vulnerabilities

🗓️ 16 Mar 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 25 Views

Mattermost 11.3.x, 11.2.x, and 10.11.x have vulnerabilities from handling long passwords that exhaust CPU and memory.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-24458
16 Mar 202612:02
–attackerkb
bdu_fstec
BDU FSTEC
Mattermost DoS
13 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-24458
16 Feb 202600:00
–circl
cve
CVE
CVE-2026-24458
16 Mar 202612:02
–cve
cvelist
Cvelist
CVE-2026-24458 DoS attack via login attempts with multi-megabyte passwords
16 Mar 202612:02
–cvelist
euvd
EUVD
EUVD-2026-12405
16 Mar 202615:30
–euvd
github
Github Security Blog
Mattermost fails to properly handle very long passwords
16 Mar 202615:30
–github
mend
Mend
CVE-2026-24458
16 Mar 202612:02
–mend
nvd
NVD
CVE-2026-24458
16 Mar 202614:18
–nvd
osv_ghsa
osv_ghsa
GHSA-M5RV-56XX-HFC6 Mattermost fails to properly handle very long passwords
16 Mar 202615:30
–osv_ghsa
Rows per page

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

29 May 2026 00:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.00283
SSVC
25