Mar 27, 2026 Cyber Threat Intelligence

Track daily vulnerability activity, KEV additions, public exploits, critical disclosures, and EPSS risk shifts.

Daily summary

  • F5 BIG-IP added to CISA KEV — confirmed in-the-wild exploitation.
  • 10 new critical disclosures — review patch status on exposed services.

Top threats today

Three highest-priority changes — analyst brief, not a CVE dump.

Critical active threat

CVE-2025-53521 F5 BIG-IP Stack-Based Buffer Overflow

  • Actively exploited (CISA KEV)
  • Listed on CISA KEV
  • Remote code execution exposure

F5 BIG-IP RCE is on CISA KEV — confirmed in-the-wild exploitation. Expect continued targeting while the issue remains on the catalog.

Critical exposure

CVE-2026-30533 Oretnom23 Online Food Ordering System SQL Injection

  • CVSS 9.8

New critical Oretnom23 Online Food Ordering System SQL Injection (CVSS 9.8) — fresh disclosure window; early internet scanning often precedes mature exploit chains.

Critical exposure

CVE-2026-33937 Handlebars provides the power necessary to let users build semantic templates.

  • CVSS 9.8

New critical disclosure (CVSS 9.8) — high severity with a short public awareness window before exploit material typically surfaces.

Active exploitation

CISA KEV — confirmed in-the-wild exploitation.

View KEV additions

Exploit & PoC activity

Nothing flagged in this category for this digest.

View new exploit links

Exploitation dynamics

Nothing flagged in this category for this digest.

See EPSS increases

New critical disclosures

Ubiquiti UniFi Network Controller prior to 5.10.12 (excluding 5.6.42), UAP FW prior to 4.0.6, UAP-AC, UAP-AC v2, and UAP-AC Outdoor FW pr...

CVE-2026-30533 CVSS 9.8

A SQL Injection vulnerability exists in SourceCodester Online Food Ordering System v1.0 in the admin/manage_product.php file via the "id"...

CVE-2026-33867 CVSS 9.1

WWBN AVideo is an open source video platform.

CVE-2026-33873 CVSS 9.3

Langflow is a tool for building and deploying AI-powered agents and workflows.

CVE-2026-33875 CVSS 9.3

Gematik Authenticator securely authenticates users for login to digital health applications.

CVE-2026-33937 CVSS 9.8

Handlebars provides the power necessary to let users build semantic templates.

CVE-2026-33992 CVSS 9.3

pyLoad is a free and open-source download manager written in Python.

CVE-2026-34205 CVSS 9.6

Home Assistant is open source home automation software that puts local control and privacy first.

CVE-2026-34374 CVSS 9.1

WWBN AVideo is an open source video platform.

View critical disclosures

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