CVE-2026-20219
Cisco Slido Insecure Direct Object Reference Vulnerability
Description
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. A successful exploit could have allowed the attacker to view the social profiles of other users or affect quiz and poll results.
INFO
Published Date :
May 6, 2026, 5:16 p.m.
Last Modified :
May 6, 2026, 6:59 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-20219
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Ensure you are running a fixed version of Cisco Slido.
- No customer action needed as the vulnerability is addressed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-20219.
| URL | Resource |
|---|---|
| https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-slido-idor-CpsFmKxN |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-20219 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-20219
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-20219 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-20219 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
May. 06, 2026
Action Type Old Value New Value Added Description 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. A successful exploit could have allowed the attacker to view the social profiles of other users or affect quiz and poll results. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Added CWE CWE-639 Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-slido-idor-CpsFmKxN