Lucene search
K

CVE-2026-9708

🗓️ 13 Jul 2026 08:00:10Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Webhooks permit posting as another user due to unvalidated webhook owner in certain Mattermost versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-9708 Incoming webhook user attribution via unvalidated webhook owner
13 Jul 202608:00
cvelist
EUVD
EUVD-2026-43308
13 Jul 202609:31
euvd
NVD
CVE-2026-9708
13 Jul 202609:16
nvd
Positive Technologies
PT-2026-57664
13 Jul 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "11.7.2",
        "status": "affected",
        "version": "11.7.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "11.6.4",
        "status": "affected",
        "version": "11.6.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "10.11.19",
        "status": "affected",
        "version": "10.11.0",
        "versionType": "semver"
      },
      {
        "version": "11.8.0",
        "status": "unaffected"
      },
      {
        "version": "11.7.3",
        "status": "unaffected"
      },
      {
        "version": "11.6.5",
        "status": "unaffected"
      },
      {
        "version": "10.11.20",
        "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

13 Jul 2026 09:16Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.14.9
7