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Security News — 22 October 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 9 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 22 October 2026 · 21 items.

Top 5 to watch today

  1. CVE-2021-48016 — CRITICAL (CVSS 9.3) Critical CVEDatabase - Critical CVEs
  2. CVE-2022-51022 — HIGH (CVSS 8.8) High CVEDatabase - Critical CVEs
  3. Microsoft Links Storm-0940 to ConnectWise Supply Chain Attack Dark Reading
  4. CVE-2026-115384 — CRITICAL (CVSS 9.4) Critical CVEDatabase - Critical CVEs
  5. CVE-2026-114575 — CRITICAL (CVSS 9.3) Critical CVEDatabase - Critical CVEs

Urgent Vulnerabilities 4

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

CVEDatabase - Critical CVEs22 Oct

CVE-2021-48016 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Audience
Linux/server admins
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL DedeCMS through 5.8.1-beta contains a PHP code injection vulnerability in ShowMsg() where the HTTP Referer header is written into a DedeTemplate string and included. Unauthenticated attackers can send a crafted Referer to…

Read at source →
CVEDatabase - Critical CVEs22 Oct

CVE-2022-51022 — HIGH (CVSS 8.8)

HighCVSS 8.8
Impact
Path traversal
Action
Patch when a fix is available; monitor exposure

CVSS 8.8 HIGH YiShaAdmin 2.2 through 3.1, fixed in commit 025b062, contains an unauthenticated path traversal vulnerability in the /admin/File/DownloadFile endpoint that allows attackers to read and delete arbitrary files via the filePath…

Read at source →
CVEDatabase - Critical CVEs22 Oct

CVE-2026-115384 — CRITICAL (CVSS 9.4)

CriticalCVSS 9.4
Impact
Buffer overflow
Action
Patch when a fix is available; monitor exposure

CVSS 9.4 CRITICAL Wasmtime 39.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a stack buffer overflow vulnerability that allows malicious guests to write ~16KB to the native stack via unvalidated async callback result types. Attackers…

Read at source →
CVEDatabase - Critical CVEs22 Oct

CVE-2026-114575 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Product
TOTOLINK A950RG
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this issue is the function UploadCustomModule of the file lib/cste_modules/product.so. Executing a manipulation of the argument FileMd5 can lead…

Read at source →

Threat Activity 11

Malware, campaigns and adversary tradecraft.

CISA Cybersecurity Advisories22 Oct

Siemens SIMATIC S7 Webserver API

View CSAF Summary .NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory. Siemens has…

Read at source →
CISA Cybersecurity Advisories22 Oct

Siemens APOGEE, TALON and Desigo PXC/PXM Products

View CSAF Summary The products listed below contain multiple vulnerabilities that could allow an attacker to cause a denial of service and potentially impact the availability of the affected device. Siemens has released new versions for se…

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CISA Cybersecurity Advisories22 Oct

Siemens RUGGEDCOM CROSSBOW

View CSAF Summary RUGGEDCOM CROSSBOW contains multiple vulnerabilities that could allow an attacker to execute arbitrary SQL commands on the underlying database, retrieve sensitive administrative credentials, escalate privileges, and perfo…

Read at source →
CISA Cybersecurity Advisories22 Oct

Siemens RUGGEDCOM APE1808 Devices

View CSAF Summary Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens recommends to contact customer su…

Read at source →
TrustedSec Blog22 Oct

Trimarc, 18 Months Later at TrustedSec

<p>Eighteen months after Trimarc joined TrustedSec, the work speaks for itself. In this blog, we reflect on Trimarc’s integration into TrustedSec and what it means for customers, services, and ongoing research.</p>

Read at source →

Breaches & Incidents 4

Ransomware, data breaches and supply-chain events.

Research & Detection 1

Detection engineering, tooling and defensive analysis.

Policy & Commentary 1

Industry, executive and AI-security perspective.

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