Lucene search
+L

CVE-2026-19541

🗓️ 16 Oct 2026 06:54:57Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Authenticated user can obtain OAuth client secrets in Mattermost via connection validation.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-19541
16 Oct 202608:01
–circl
cvelist
Cvelist
CVE-2026-19541 Outgoing OAuth connection client secret exposure during connection validation
16 Oct 202606:54
–cvelist
euvd
EUVD
EUVD-2026-102805
16 Oct 202609:30
–euvd
nvd
NVD
CVE-2026-19541
16 Oct 202607:17
–nvd
ptsecurity
Positive Technologies
PT-2026-115514
16 Oct 202600:00
–ptsecurity
Vulners
Node
OR
mattermostmattermostRange≤11.9.1
mattermostmattermostRange≤11.8.5
mattermostmattermostRange≤11.7.10
mattermostmattermostRange≤11.10.1
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.9.1",
        "status": "affected",
        "version": "11.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.8.5",
        "status": "affected",
        "version": "11.8.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.7.10",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.10.1",
        "status": "affected",
        "version": "11.10.0",
        "versionType": "semver"
      },
      {
        "version": "11.11.0",
        "status": "unaffected"
      },
      {
        "version": "11.9.2",
        "status": "unaffected"
      },
      {
        "version": "11.8.6",
        "status": "unaffected"
      },
      {
        "version": "11.7.11",
        "status": "unaffected"
      },
      {
        "version": "11.10.2",
        "status": "unaffected"
      }
    ]
  }
]

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

16 Oct 2026 07:17Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.5
5