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Security News — 29 September 2026

A daily, automatically-compiled digest of the cyber security stories that broke in the last 24 hours, drawn from 13 trusted feeds. Each entry is a short excerpt — follow the link to read the full article at its original publisher. Compiled 29 September 2026 · 31 items.

Top 5 to watch today

  1. VIVOTEK Camera Firmware exploited CISA Cybersecurity Advisories
  2. MikroTik RouterOS exploited CISA Cybersecurity Advisories
  3. Apple Zero-Day Vulnerability Weaponized in Targeted Attacks exploited Dark Reading
  4. Hackers exploit Citrix NetScaler zero-day to deploy web shells exploited BleepingComputer
  5. CISA Adds One Known Exploited Vulnerability to Catalog exploited CISA Current Activity

Urgent Vulnerabilities 8

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

CISA Cybersecurity Advisories29 Sep

MikroTik RouterOS

KEV · exploited
Exploited
Yes — CISA KEV
Impact
Remote code execution
Action
Patch when a fix is available; monitor exposure

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to achieve remote code execution or cause a denial of service. The following versions of MikroTik RouterOS are affected: RouterOS <7.24 (CVE-2026-84411…

Read at source →
Dark Reading29 Sep

Apple Zero-Day Vulnerability Weaponized in Targeted Attacks

KEV · exploited
Exploited
Yes — CISA KEV
Product
Apple Multiple Products
Impact
Out-of-bounds write
Audience
Endpoint/mobile users
Action
Patch per vendor / CISA KEV

Attackers are exploiting CVE-2026-86950, an out-of-bounds write flaw, in an extremely sophisticated fashion, according to Apple.

Read at source →
BleepingComputer29 Sep

Hackers exploit Citrix NetScaler zero-day to deploy web shells

KEV · exploited
Exploited
Yes — CISA KEV
Product
Citrix NetScaler
Impact
Memory corruption
Audience
Network/firewall admins
Action
Patch per vendor / CISA KEV

Cybersecurity firms say attackers exploited the Citrix NetScaler CVE-2026-88772 zero-day to deploy custom web shells and tunneling malware, gain root access, steal credentials, and spread into internal networks. [...]

Read at source →
CISA Current Activity29 Sep

CISA Adds One Known Exploited Vulnerability to Catalog

KEV · exploited
Exploited
Yes — CISA KEV
Product
Apple Multiple Products
Impact
Out-of-bounds write
Audience
Endpoint/mobile users
Action
Patch per vendor / CISA KEV

CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog , based on evidence of active exploitation. CVE-2026-86950 Apple Multiple Products Out-of-Bounds Write Vulnerability This type of vulnerability is a…

Read at source →
CVEDatabase - Critical CVEs29 Sep

CVE-2026-103041 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Impact
Insecure deserialization
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL LightLLM through 1.2.0 multimodal deployments expose an unauthenticated RPyC cache service with pickle deserialization enabled on all interfaces. Attackers can send crafted serialized objects to exposed cache methods to e…

Read at source →
CVEDatabase - Critical CVEs29 Sep

CVE-2026-103040 — CRITICAL (CVSS 9.3)

CriticalCVSS 9.3
Impact
Remote code execution
Action
Patch when a fix is available; monitor exposure

CVSS 9.3 CRITICAL LightLLM through 1.2.0 contains a remote code execution vulnerability in the router profiler service when started with --enable_profiling flag. The service exposes an unauthenticated RPyC server with pickle deserializatio…

Read at source →
CVEDatabase - Critical CVEs29 Sep

CVE-2026-53988 — CRITICAL (CVSS 9.2)

CriticalCVSS 9.2
Impact
Authentication bypass
Action
Patch when a fix is available; monitor exposure

CVSS 9.2 CRITICAL Dockhand before 1.0.40 contains an authentication bypass vulnerability in its git webhook endpoints that allows unauthenticated remote attackers to trigger arbitrary stack redeployments by exploiting a null webhook secret…

Read at source →
CVEDatabase - Critical CVEs29 Sep

CVE-2026-102792 — HIGH (CVSS 8.5)

HighCVSS 8.5
Product
Ziroom ZHOME A0101
Impact
Command injection
Action
Patch when a fix is available; monitor exposure

CVSS 8.5 HIGH A vulnerability was detected in Ziroom ZHOME A0101 1.0.1.0. This affects the function set_syslog of the file /api/ZRnetwork/set_syslog. The manipulation of the argument conloglevel/log_size results in command injection. The a…

Read at source →

Threat Activity 12

Malware, campaigns and adversary tradecraft.

CISA Cybersecurity Advisories29 Sep

Baicells Nova 430H

KEV · exploited

View CSAF Summary Successful exploitation of this vulnerability could allow an attacker to inject malformed messages which may lead to a denial-of-service condition. The following versions of Baicells Nova 430H are affected: Nova 430H eNod…

Read at source →
CISA Cybersecurity Advisories29 Sep

Anjvision YSSD-RTMP-H5

KEV · exploited

View CSAF Summary Successful exploitation of these vulnerabilities could allow an attacker to access sensitive information, access user accounts, execute OS-level commands, or take full control over the device. The following versions of An…

Read at source →
Microsoft Security Blog29 Sep

Phishing Abuses RMM Tools for Persistent Access

Microsoft observed phishing campaigns that abused MSP360 RMM to deploy ScreenConnect, creating redundant remote-access channels for follow-on activity The post Phishing Abuses RMM Tools for Persistent Access appeared first on Microsoft Sec…

Read at source →

Breaches & Incidents 5

Ransomware, data breaches and supply-chain events.

CISA Cybersecurity Advisories29 Sep

VIVOTEK Camera Firmware

KEV · exploited

View CSAF Summary Successful exploitation of this vulnerability may allow attackers to achieve remote command execution on affected devices, potentially with root privileges, leading to full compromise of the camera system. The following v…

Read at source →

Research & Detection 4

Detection engineering, tooling and defensive analysis.

SANS Internet Storm Center (Handler Diary)29 Sep

Scans for Wordfence Protected Websites, (Tue, Sep 29th)

Starting yesterday, our sensors picked up a small number of scans for "wordfence-waf.php". This particular script is used by Wordfence, a solution to protect WordPress sites. During the Wordfence install, the wordpress-waf.php file will be…

Read at source →

Policy & Commentary 2

Industry, executive and AI-security perspective.

Daniel Miessler29 Sep

AI State of the Union (October 2026)

A charcoal sketch of a giant seesaw with a tall angular purple AI machine on the raised left end and a domed purple AI machine on the lowered right end, as small sienna builders with laptops run down the beam toward the lit right machine,…

Read at source →
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