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EUVD-2026-12405

🗓️ 16 Mar 2026 15:30:42Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 42 Views

Mattermost versions 11.3.0, 11.2.2, and 10.11.10 fail to handle long passwords, enabling denial

Related
Affected
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
cnnvd
CNNVD
Mattermost security vulnerabilities
16 Mar 202600:00
–cnnvd
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
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
[
  {
    "enisaIdVendor": [
      {
        "id": "ff2ca95c-44df-36e5-aa3c-ff42e6c60268",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "25cd426f-45c0-3cc9-8f51-03a276a4f7c6",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "10.11.0 ≤10.11.10"
      },
      {
        "id": "81674fe8-1508-3758-9d61-4a1bef84d0ef",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.3.0 ≤11.3.0"
      },
      {
        "id": "e270538e-6e79-30fd-b1f1-826b1dcad154",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "11.2.0 ≤11.2.2"
      },
      {
        "id": "ff2ca95c-44df-36e5-aa3c-ff42e6c60268",
        "product": {
          "name": "Mattermost"
        },
        "product_version": ""
      }
    ]
  }
]

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16 Mar 2026 15:30Current
7High risk
Vulners AI Score7
CVSS 3.17.5
EPSS0.00283
SSVC
42