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Security News
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.
Urgent Vulnerabilities 8
Actively exploited, critical, or high-severity flaws — patch or mitigate first.
CISA Cybersecurity Advisories29 Sep
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…
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Dark Reading29 Sep
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.
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BleepingComputer29 Sep
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. [...]
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CISA Current Activity29 Sep
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…
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CVEDatabase - Critical CVEs29 Sep
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…
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CVEDatabase - Critical CVEs29 Sep
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…
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CVEDatabase - Critical CVEs29 Sep
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…
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CVEDatabase - Critical CVEs29 Sep
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…
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Threat Activity 12
Malware, campaigns and adversary tradecraft.
CISA Cybersecurity Advisories29 Sep
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…
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CISA Cybersecurity Advisories29 Sep
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…
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Microsoft Security Blog29 Sep
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…
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BleepingComputer29 Sep
Signal, the secure messaging app, released version 8.30, completing the rollout of its secure backups feature across all supported operating systems (Android, iOS, Linux, macOS, and Windows). [...]
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The Hacker News29 Sep
A group of academics from VUSec and Scuola Superiore Sant'Anna have disclosed details of a new Spectre CPU vulnerability variant that affects Just-In-Time (JIT) engines present in web browsers, language runtimes, and the operating system k…
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The Hacker News29 Sep
Russian state hackers known as Star Blizzard have been using fake event invitations to trick people into installing a backdoor on their Windows computers, according to Microsoft. The campaigns, aimed at people and organizations tied to Ukr…
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Palo Alto Unit 4229 Sep
We introduce OperTraitor, a tool to audit privileges of Kubernetes operators, identify excessive RBAC risks, and secure non-human identities. The post OperTraitors: How Kubernetes Operators Betray Your Security Posture appeared first on Un…
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Dark Reading29 Sep
A patched Unsloth Studio vulnerability allows malicious AI models to execute arbitrary Python code during inspection, via the trust_remote_code setting.
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BleepingComputer29 Sep
Custom variants of OpenAI's ChatGPT promoted in sponsored Google results are directing unsuspecting users to malicious sites that use ClickFix attacks to deliver malware. [...]
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The Hacker News29 Sep
An attacker used stolen passwords of staff at France's tax administration to take tax data on hundreds of thousands of taxpayers and businesses in June and July. Neither the tax administration nor France's national cybersecurity agency saw…
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Dark Reading29 Sep
Automated certificates for everyone, built for today, and hardened for the era of quantum computing.
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The Hacker News29 Sep
Kiteworks on Monday said it worked with federal intelligence authorities over the weekend as it identified and addressed a critical security vulnerability during the scheduled precautionary shutdown. "During the shutdown, this activity led…
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Breaches & Incidents 5
Ransomware, data breaches and supply-chain events.
CISA Cybersecurity Advisories29 Sep
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…
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Dark Reading29 Sep
Microsoft observed a China-based actor using a previously unidentified malware framework in targeted intrusions against telcos, universities, medical, and government-related organizations.
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Microsoft Security Blog29 Sep
Since January 2026, Microsoft has observed Russian state threat actor Star Blizzard evolve their detection evasion capabilities through large-scale phishing campaigns, the use of accounts on compromised websites, and a novel malware delive…
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BleepingComputer29 Sep
The FBI is warning members of the ShinyHunters extortion group to turn themselves in after Dutch police arrested a man the bureau described as one of the group's alleged leaders. [...]
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Microsoft Security Blog29 Sep
Explore how Storm-3068 turned a compromised identity into broader cloud access and the steps organizations can take to defend their identities, pipelines, and cloud infrastructure. The post Beyond source code: A path to the keys to the k…
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Research & Detection 4
Detection engineering, tooling and defensive analysis.
SANS Internet Storm Center (Handler Diary)29 Sep
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…
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Elastic Security Labs29 Sep
Elastic InfoSec runs Linux endpoint management through Elastic Defend with a scheduled workflow that gets Cursor and Codex config onto new laptops without piling up duplicate actions on offline hosts, and it works for other config too.
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Cisco Talos29 Sep
This new proactive service joins the suite of retainer offerings to provide dedicated, intelligence-led hunting specifically for your organization’s most high-value IT assets.
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SANS Internet Storm Center (Handler Diary)29 Sep
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Policy & Commentary 2
Industry, executive and AI-security perspective.
Schneier on Security29 Sep
Modern messaging apps allow users to link their phone accounts to their computer desktop. Eavesdroppers are taking advantage of this capability: Apps such as WhatsApp Web and Signal Desktop allow people to use their accounts on other devic…
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Daniel Miessler29 Sep
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,…
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