CRITICALVulnerability
Global

Cisco says critical Webex Services flaw requires customer action

·Source: BleepingComputer

Updated:

Executive Summary

Cisco has released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company's cloud-based Webex Services platform that requires further customer action. [...]

Analysis

Cisco has released security updates to patch four critical vulnerabilities, including a fixed improper certificate validation flaw in the company's cloud-based Webex Services platform that requires further customer action. [...]
Source Attribution

Originally published by BleepingComputer on Apr 16, 2026.

Related Threats

MEDIUMVulnerability

Friday Squid Blogging: New Giant Squid Video

Pretty fantastic video from Japan of a giant squid eating another squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy.

Schneier on Security
MEDIUMVulnerability

How NIST's Cutback of CVE Handling Impacts Cyber Teams

Industry and ad hoc coalitions appear poised to help fill the gap created by NIST's decision to cut back on CVE data enrichment.

Dark Reading
CRITICALVulnerability

NVD CRITICAL: CVE-2026-40525 — OpenViking prior to commit c7bb167 contains an authentication bypass vulnerabili...

OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke privileged bot-control functionality without providing a valid X-API-Key header, including submitting at

CVE-2026-40525
NIST NVD