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Cisco

WebEx

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Current version
Last checked: yesterday

46.4

Release date
April 08, 2026
CVE status
1 visible CVE

Source

Vendor Release Information

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Release history

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Version Published Notes
46.4 2026-04-08 Release Notes
46.3 2026-03-04 Release Notes

Vulnerability tracking

Review curated CVEs for this product and see whether the current version is marked affected. Only CVEs with a CVSS score of 7.0 or higher and published in the last 90 days are shown.

CVE Severity Published Status Summary
CVE-2026-20184 CRITICAL (9.8) 2026-04-15 Current versionnot affected

A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed an unauthenticated, remote attacker to impersonate any user within the service. This vulnerability existed because of improper certificate validation. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by connecting to a service endpoint and supplying a crafted token. A successful exploit could have allowed the attacker to gain unauthorized access to legitimate Cisco Webex services.

Affected versions
  • 39.7.7
  • 39.9
Show 54 more
  • 40.4.10
  • 39.6
  • 40.6.2
  • 39.8.2
  • 39.8.4
  • 40.1
  • 39.11
  • 39.7.4
  • 39.9.1
  • 40.4
  • 40.6
  • 39.7
  • 39.8
  • 39.8.3
  • 40.2
  • 39.10
  • 42.6
  • 42.7
  • 42.8
  • 42.9
  • 42.10
  • 42.11
  • 42.12
  • 43.1
  • 43.2
  • 43.3
  • 43.4
  • 43.4.1
  • 43.4.2
  • 43.5.0
  • 43.6.0
  • 43.6.1
  • 43.7
  • 43.8
  • 43.9
  • 43.10
  • 43.11
  • 43.12
  • 44.1
  • 44.2
  • 44.3
  • 44.4
  • 44.5
  • 44.6
  • 44.7
  • 44.8
  • 44.9
  • 44.10
  • 44.11
  • 44.12
  • 45.1
  • 45.2
  • 45.3
  • 45.4