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CVE mentions, exploit signals, and PoC evidence in one fast public view.

CVE detail

CVE-2026-20223

A vulnerability in the access validation of internal REST APIs of Cisco Secure Workload could allow an unauthenticated, remote attacker to access site resources with the privileges of the Site Admin role. This vulnerability is due to insufficient validation and authentication when accessing REST API endpoints. An attacker could exploit this vulnerability if they are able to send a crafted API request to an affected endpoint. A successful exploit could allow the attacker to read sensitive information and make configuration changes across tenant boundaries with the privileges of the Site Admin user. 

CVSS 10.0 · CriticalBuzz score 37.5

Buzz score

Why this CVE is surfacing

Buzz score total 37.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 19.5 · diversity 18.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
19.5
6 evidence mentions in the snapshot
Diversity score
18.0
5 sources across 3 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
0
within the 30d window
Peak daily
0
highest bucket

Evidence

Source links by recency

Newest mentions first
6 source links · newest first
  • Security Affairs newsletter Round 578 by Pierluigi Paganini – INTERNATIONAL EDITIONSecurity Affairs

    A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. CVE-2026-9082: Drupal’s Highly Critical SQL Injection Flaw Is Already Under Active Attack Why pure extortion is […]

    newssecurityaffairs.comMay 24, 2026, 11:51 AM
  • Critical vulnerability in Cisco Secure Workload rated at maximum severityCSO Online

    A critical vulnerability in the on-premises version of the Cisco Secure Workload security platform could allow a threat actor to obtain the privileges of a site admin, enabling them to compromise endpoints and read or modify configuration data. “CSOs need to drop what they are doing and patch this immediately,” warned consultant Robert Enderle, who […]

    newswww.csoonline.comMay 21, 2026, 10:39 PM
  • Cisco fixed maximum severity flaw CVE-2026-20223 in Secure WorkloadSecurity Affairs

    Cisco fixed a critical Secure Workload flaw (CVE-2026-20223) that could let attackers gain Site Admin privileges through crafted API requests. Cisco released patches for a critical vulnerability, tracked as CVE-2026-20223 (CVSS score of 10.0), in Secure Workload. The flaw stems from insufficient validation and authentication in REST API endpoints. According to Cisco, remote attackers could […]

    newssecurityaffairs.comMay 21, 2026, 1:22 PM
  • Cisco Patches Critical Vulnerability in Secure WorkloadSecurityWeek

    Insufficient validation and authentication in the Secure Workload’s REST APIs provide remote attackers with Site Admin privileges.

    newswww.securityweek.comMay 21, 2026, 12:04 PM
  • https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuysec.cloudapps.cisco.com

    No excerpt available.

    Vendor Advisorysec.cloudapps.cisco.comMay 20, 2026, 5:16 PM
  • Cisco Secure Workload Unauthorized API Access VulnerabilityCisco Security Advisories

    isco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csw-pnbsa-g8WEnuy Security Impact Rating: Critical CVE: CVE-2026-20223

    vendorsec.cloudapps.cisco.comMay 20, 2026, 4:00 PM

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

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