Four Security Flaws Need Your Attention This Week
May 28, 2026

Four Security Flaws Need Your Attention This Week
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) just flagged four separate security problems that are actively being exploited right now. None of these require panic—but they do require action. Here's what you need to know, and what to do about each one.
Drupal Websites: Update Now
What happened: CISA added a flaw in Drupal Core (a popular website platform) to its list of actively exploited vulnerabilities. The problem is called a SQL injection vulnerability—it's a technique attackers use to sneak into a website's database and steal or alter information.
Why it matters: If your organization runs a website on Drupal, attackers are actively looking for this specific weakness right now.
What to do: If you manage a Drupal website, check your current version and install the latest update. Your website host or IT person can do this quickly. If you're unsure whether your website uses Drupal, ask your web team.
Two Enterprise Tools Under Attack
What happened: CISA identified two new flaws being actively exploited:
- A vulnerability in Langflow (a platform for building AI workflows)
- A vulnerability in Trend Micro Apex One (enterprise security software)
Both flaws let attackers bypass security controls—essentially sneaking past the front door.
Why it matters: If your company uses either of these tools, attackers may already be probing for the weakness.
What to do: Ask your IT department if your organization uses Langflow or Trend Micro Apex One. If it does, make sure they've applied the latest security patches. This usually takes a few hours and can be scheduled during low-traffic times.
ABB CoreSense Monitoring Systems
What happened: ABB's CoreSense HM and CoreSense M10 products (used to monitor industrial equipment and building systems) have a path traversal vulnerability. In plain terms: attackers can use this flaw to access files they shouldn't be able to see, potentially compromising entire systems.
Why it matters: These systems often control critical operations in factories, power plants, and large buildings. Unauthorized access could disrupt operations or leak sensitive data.
What to do: If your facility uses these ABB products, contact your equipment provider or ABB directly and request the latest patch. Updates are available now.
ZKTeco Security Cameras
What happened: ZKTeco security cameras have an authentication bypass vulnerability. That means attackers can log into your cameras without knowing the correct password, giving them access to video feeds and the ability to capture login credentials.
Why it matters: Your security system could become a window for attackers instead of a barrier.
What to do: If you own or manage ZKTeco security cameras, check the manufacturer's website for available patches and apply them. If you're not sure what brand your cameras are, check the documentation or the label on the camera itself.
The bottom line: These flaws are real, but they're all fixable with updates. Take them one at a time, starting with any systems that affect your organization most. You're not behind—you're just informed.
Sources
CISA Adds One Known Exploited Vulnerability to Catalog CISA Advisories
CISA Adds Two Known Exploited Vulnerabilities to Catalog CISA Advisories
ABB CoreSense HM and CoreSense M10 CISA Advisories
ZKTeco CCTV Cameras CISA Advisories
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