Medium [CVE-2026-20219] Cisco Slido Insecure Direct Object Reference Vulnerability
This medium-severity Cisco advisory covers CVE-2026-20219 affecting Webex Meetings, Slido.
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Summary
A vulnerability in the REST API of Cisco Slido could have allowed an authenticated, remote attacker to access the social profile data of other users or affect quiz and poll results. Cisco has addressed this vulnerability in Cisco Slido and no customer action is needed.
This vulnerability existed because of the presence of an insecure direct object reference. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by sending a crafted request to the vulnerable API endpoint.
There are no workarounds that address this vulnerability.
Affected products named by the advisory: Webex Meetings.
- Scope: This vulnerability affects Cisco Slido, which is cloud based.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- As mentioned, Cisco has addressed this vulnerability in the Slido service, and no customer action is necessary to update on-premises software or devices.
- There are no workarounds that address this vulnerability.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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