Mattermost DoS
🗓️ 13 May 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 14 Views
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2026-25783 | 16 Mar 202612:04 | – | attackerkb |
 | CVE-2026-25783 | 16 Feb 202600:00 | – | circl |
 | Mattermost 安全漏洞 | 16 Mar 202600:00 | – | cnnvd |
 | CVE-2026-25783 | 16 Mar 202612:04 | – | cve |
 | CVE-2026-25783 Denial of service via malformed User-Agent header in getBrowserVersion | 16 Mar 202612:04 | – | cvelist |
 | EUVD-2026-12416 | 16 Mar 202615:30 | – | euvd |
 | Mattermost fails to properly validate User-Agent header tokens | 16 Mar 202615:30 | – | github |
 | CVE-2026-25783 | 16 Mar 202612:04 | – | mend |
 | CVE-2026-25783 | 16 Mar 202614:18 | – | nvd |
 | GHSA-2V3W-6G35-5F9V Mattermost fails to properly validate User-Agent header tokens | 16 Mar 202615:30 | – | osv-ghsa |
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Node
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| Source | Link |
|---|---|
| mattermost | www.mattermost.com/security-updates |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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13 May 2026 00:00Current
7.3High risk
Vulners AI Score7.3
CVSS 24
CVSS 34.3
EPSS0.00382