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CVE-2026-20184

CVE.org · Published

Historical CVEsJSONAI instructions

Record status
Published
Identifier year (not publication year)
2026
Source publication
Source updated
Imported by cveboard
Source snapshot
cve_2026-10-24_midnight_baseline ·

Plain text

CNA source text (English)

Cisco Webex Meetings Certificate Validation Vulnerability

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.

Scoped product and version facts

Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.

Exploitation unknown; this catalogue does not assess exploitation.

Cisco Webex Meetings

Vendor
Cisco
Product
Cisco Webex Meetings
Platforms
Unknown
Default status
unknown
Cisco Webex Meetings · Scoped product and version facts
Version (version)Status (status)Version scheme (versionType)Exclusive end (lessThan)Inclusive end (lessThanOrEqual)Status changes (at → status)
39.7.7affectedUnavailableUnavailableUnavailableNone listed
39.9affectedUnavailableUnavailableUnavailableNone listed
40.4.10affectedUnavailableUnavailableUnavailableNone listed
39.6affectedUnavailableUnavailableUnavailableNone listed
40.6.2affectedUnavailableUnavailableUnavailableNone listed
39.8.2affectedUnavailableUnavailableUnavailableNone listed
39.8.4affectedUnavailableUnavailableUnavailableNone listed
40.1affectedUnavailableUnavailableUnavailableNone listed
39.11affectedUnavailableUnavailableUnavailableNone listed
39.7.4affectedUnavailableUnavailableUnavailableNone listed
39.9.1affectedUnavailableUnavailableUnavailableNone listed
40.4affectedUnavailableUnavailableUnavailableNone listed
40.6affectedUnavailableUnavailableUnavailableNone listed
39.7affectedUnavailableUnavailableUnavailableNone listed
39.8affectedUnavailableUnavailableUnavailableNone listed
39.8.3affectedUnavailableUnavailableUnavailableNone listed
40.2affectedUnavailableUnavailableUnavailableNone listed
39.10affectedUnavailableUnavailableUnavailableNone listed
42.6affectedUnavailableUnavailableUnavailableNone listed
42.7affectedUnavailableUnavailableUnavailableNone listed
42.8affectedUnavailableUnavailableUnavailableNone listed
42.9affectedUnavailableUnavailableUnavailableNone listed
42.10affectedUnavailableUnavailableUnavailableNone listed
42.11affectedUnavailableUnavailableUnavailableNone listed
42.12affectedUnavailableUnavailableUnavailableNone listed
43.1affectedUnavailableUnavailableUnavailableNone listed
43.2affectedUnavailableUnavailableUnavailableNone listed
43.3affectedUnavailableUnavailableUnavailableNone listed
43.4affectedUnavailableUnavailableUnavailableNone listed
43.4.1affectedUnavailableUnavailableUnavailableNone listed
43.4.2affectedUnavailableUnavailableUnavailableNone listed
43.5.0affectedUnavailableUnavailableUnavailableNone listed
43.6.0affectedUnavailableUnavailableUnavailableNone listed
43.6.1affectedUnavailableUnavailableUnavailableNone listed
43.7affectedUnavailableUnavailableUnavailableNone listed
43.8affectedUnavailableUnavailableUnavailableNone listed
43.9affectedUnavailableUnavailableUnavailableNone listed
43.10affectedUnavailableUnavailableUnavailableNone listed
43.11affectedUnavailableUnavailableUnavailableNone listed
43.12affectedUnavailableUnavailableUnavailableNone listed
44.1affectedUnavailableUnavailableUnavailableNone listed
44.2affectedUnavailableUnavailableUnavailableNone listed
44.3affectedUnavailableUnavailableUnavailableNone listed
44.4affectedUnavailableUnavailableUnavailableNone listed
44.5affectedUnavailableUnavailableUnavailableNone listed
44.6affectedUnavailableUnavailableUnavailableNone listed
44.7affectedUnavailableUnavailableUnavailableNone listed
44.8affectedUnavailableUnavailableUnavailableNone listed
44.9affectedUnavailableUnavailableUnavailableNone listed
44.10affectedUnavailableUnavailableUnavailableNone listed
44.11affectedUnavailableUnavailableUnavailableNone listed
44.12affectedUnavailableUnavailableUnavailableNone listed
45.1affectedUnavailableUnavailableUnavailableNone listed
45.2affectedUnavailableUnavailableUnavailableNone listed
45.3affectedUnavailableUnavailableUnavailableNone listed
45.4affectedUnavailableUnavailableUnavailableNone listed