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Security News — 2 October 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 7 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 2 October 2026 · 21 items.

Top 5 to watch today

  1. Kiteworks & Citrix Incidents Show Challenges of Zero-Day Response exploited Dark Reading
  2. CISA Adds Two Known Exploited Vulnerabilities to Catalog exploited CISA Current Activity
  3. CVE-2026-82042 — CRITICAL (CVSS 9.3) Critical CVEDatabase - Critical CVEs
  4. CVE-2023-54405 — CRITICAL (CVSS 9.3) Critical CVEDatabase - Critical CVEs
  5. GitLab warns of critical RCE vulnerability in AI Gateway service BleepingComputer

Urgent Vulnerabilities 4

Actively exploited, critical, or high-severity flaws — patch or mitigate first.

CISA Current Activity02 Oct

CISA Adds Two Known Exploited Vulnerabilities to Catalog

KEV · exploited
Exploited
Yes — CISA KEV
Product
Zammad GmbH Zammad
Impact
Remote code execution
Action
Patch per vendor / CISA KEV

CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-102489 Zammad GmbH Zammad Session Fixation Vulnerability CVE-2026-102490 Zammad GmbH Zammad Im…

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CVEDatabase - Critical CVEs02 Oct

CVE-2026-82042 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Impact
Authentication bypass
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL UTMStack before 11.2.16 contains an authentication bypass vulnerability that allows remote attackers to gain full administrative API access by presenting a valid Utm-Internal-Key header matching the INTERNAL_KEY environme…

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CVEDatabase - Critical CVEs02 Oct

CVE-2023-54405 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Impact
Unrestricted file upload
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL H3C CVM, the Cloud Virtualization Management component of the H3C CAS cloud platform, contains an unauthenticated arbitrary file upload vulnerability in the /cas/fileUpload/upload endpoint that allows remote attackers to…

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Other CVEs 1

Lower-severity or unconfirmed-exploitation vulnerabilities.

CVEDatabase - Critical CVEs02 Oct

CVE-2026-82041 — MEDIUM (CVSS 6.5)

MediumCVSS 6.5

CVSS 6.5 MEDIUM UTMStack before 11.2.16 contains a missing authorization vulnerability in UTMIncidentCommandWebsocket.processCommand(), the handler mapped to the /command/{hostname} STOMP destination, where no role check or command allowli…

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Threat Activity 7

Malware, campaigns and adversary tradecraft.

Breaches & Incidents 3

Ransomware, data breaches and supply-chain events.

Research & Detection 2

Detection engineering, tooling and defensive analysis.

Policy & Commentary 4

Industry, executive and AI-security perspective.

Schneier on Security02 Oct

Unidentified Flock Cameras in Florida

St. Lucie County in Florida discovered ( alt link ) a dozen Flock cameras whose ownership it can’t identify, and that the county government had not permitted. I am reminded of the decade-old story of StingRay cell phone surveillance device…

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