What's happening in security
Breaches, credential dumps, actively exploited bugs and AI incidents — pulled from 5,641 items across public feeds, Have I Been Pwned and CISA KEV.
Biggest this week
- Westcon-Comstor posts record US$3.37B first-half sales as APAC demand for AI, cloud and cyber accelerates — Reseller News (NZ), 3d ago
- GitHub Octoverse 2026 — Simon Willison (AI), 4d ago
- Binance Suffers Security Breach Affecting $6.3 Billion in Assets, Nearly $3 Billion Frozen — The Hacker News, 2d ago
- Upwind Security Raises $400 Million at $3.8 Billion Valuation — SecurityWeek, 4d ago
- Binance hit by record $6.3 billion crypto hack, scrambles to freeze funds — The Record, 3d ago
-
Attackers Exploit NetScaler Flaw for Root Access, Deploy WHIPSHOT and SLAPSHOT
Unknown threat actors have been observed exploiting a newly patched security flaw in Citrix NetScaler ADC and NetScaler Gateway appliances to target organizations in North America and Europe. The activity, observed by Mandiant Con…
-
High-Severity Vulnerabilities Patched in OpenSSL, WolfSSL
Roughly a dozen vulnerabilities have been patched in each of the open source cryptographic libraries. The post High-Severity Vulnerabilities Patched in OpenSSL, WolfSSL appeared first on SecurityWeek .
-
Citrix NetScaler CVE-2026-88772 Exploit Details Show Pre-Auth Path to Shellcode Execution
Cybersecurity researchers have disclosed technical details of a recently patched critical security flaw in Citrix NetScaler ADC and Gateway that has come under active exploitation in the wild. The vulnerability, tracked as CVE-202…
-
Most open critical and high flaws are over 90 days old
Detectify analyzed exposure data from 1,293 of its customers in the US, the UK and the Nordics and found that most serious flaws still open on their internet-facing systems are months old. Of the critical and high-severity vulnera…
-
Most organizations need six months or longer to roll out new security controls
Cisco surveyed 8,000 security professionals in 30 markets about how well their organizations defend against AI-era threats, and only 8% landed in the top group. Cisco gave the most weight in its scoring to internal friction, meani…
-
CVE-2026-76504: Cisco Catalyst SD-WAN Manager — Cisco Catalyst SD-WAN Manager Hex Encoding Vulnerability
Cisco Catalyst SD-WAN Manager contains a hex encoding vulnerability that could allow an unauthenticated, remote attacker to access an affected system with privileges of the admin user due to improper handling of URI encoding in an…
-
Apple Zero-Day Vulnerability Weaponized in Targeted Attacks
Attackers are exploiting CVE-2026-86950, an out-of-bounds write flaw, in an extremely sophisticated fashion, according to Apple.
-
Attackers exploited Citrix NetScaler zero-day for at least three weeks undetected
Mandiant researchers said dozens of organizations have been impacted by attacks attributed to advanced and suspected state-sponsored threat groups. They expect more attacks to come. The post Attackers exploited Citrix NetScaler ze…
-
Unsloth Studio Flaw Turns Routine Model Inspection Into Code Execution
A patched Unsloth Studio vulnerability allows malicious AI models to execute arbitrary Python code during inspection, via the trust_remote_code setting.
-
Hackers exploit Citrix NetScaler zero-day to deploy web shells
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. [...]
-
DARPA Selects Xint to Use AI in Securing Military Messaging Apps
The AIxCC competition winner will analyze messaging app code and compiled binaries for vulnerabilities, with technology that could also help commercial customers secure their software. The post DARPA Selects Xint to Use AI in Secu…
-
New Spectre-v2 BTR Attack Leaks Linux Memory Despite Existing Defenses
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…
-
Automated AI agent used to breach cybersecurity nonprofit DIVD
The Dutch Institute for Vulnerability Disclosure (DIVD) suffered an AI-driven cyberattack that the organization described as "loud and very, very messy." [...]
-
Citrix NetScaler exploitation began days before public notification
Customers need to check systems for compromise prior to patching, because the security upgrade may not fully resolve an infected system.
-
NetScaler zero-day exploitation escalates into mass attacks (CVE-2026-88771)
The hacking of internet-exposed, vulnerable Citrix NetScaler ADC and Gateway deployments has escalated. What started as stealthy targeting via zero-day exploits has now become widespread spray and pray exploitation, fueled by the …
-
Kiteworks Fixes Critical Flaw Found During Nine-Hour Precautionary Shutdown
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 act…
-
Kiteworks lifts shutdown advisory after ‘credible threat intelligence’ from federal authorities
The company said it found and patched a previously unknown critical vulnerability in one product during the weekend shutdown, and has no indication it was exploited. The post Kiteworks lifts shutdown advisory after credible threat…
-
Apple squashes zero-day bug exploited in “extremely sophisticated” attack (CVE-2026-86950)
Apple has shipped iOS and macOS security updates to fix an actively exploited zero-day vulnerability (CVE-2026-86950) in the operating systems Core Graphics framework. Apple is aware of a report that this issue may have been explo…
-
Kiteworks patches critical flaw, brings customer systems online
American tech company Kiteworks has lifted a precautionary advisory asking customers to shut down systems after patching a critical vulnerability. [...]
-
Apple patches CoreGraphics zero-day flaw exploited in attacks
Apple released security updates to fix a zero-day vulnerability exploited in "extremely sophisticated" targeted attacks on iOS devices. [...]
-
GitHub’s AI agent found 24 Android app vulnerabilities
GitHub Security Lab researcher Kevin Stubbings built custom AI-driven audit workflows, called taskflows, on top of the lab s open source Taskflow Agent, and used them to find and report more than 20 vulnerabilities in Android apps…
-
Apple Patches Meta-Reported Zero-Day Linked to ‘Extremely Sophisticated Attack’
Apple has released iOS and macOS updates to patch the zero-day vulnerability tracked as CVE-2026-86950. The post Apple Patches Meta-Reported Zero-Day Linked to Extremely Sophisticated Attack appeared first on SecurityWeek .
-
Cybersecurity jobs available right now: September 29, 2026
Application Security Researcher Novee Security Israel Hybrid View job details As an Application Security Researcher, you will test web applications and APIs to verify vulnerabilities found by Novee’s AI platform and document how t…
-
Citrix patches actively exploited NetScaler zero-days after a weekend of unofficial warnings
The vendor’s products are a common, recurring target for attackers, yet the official warning for some Citrix NetScaler customers was too late. The post Citrix patches actively exploited NetScaler zero-days after a weekend of unoff…
-
CVE-2026-86950: Apple Multiple Products — Apple Multiple Products Out-of-Bounds Write Vulnerability
Apple iOS, macOS, and iPadOS contain an out-of-bounds write vulnerability in CoreGraphics that may lead to arbitrary code execution.
-
Dual NetScaler Zero-Days Trigger Chaos for Citrix Customers
The critical vulnerabilities, which impact default configurations of NetScaler products, essentially give attackers a skeleton key to customers' networks.
-
One Packet Can Crash OT Servers in Industrial Sectors
A high-severity zero-day vulnerability affects the TDengine time-series database used across industrial, IoT, energy, and automotive environments.
-
ShinyHunters exploiting workarounds for Oracle PeopleSoft bug, Mandiant warns
A vulnerability in a popular line of products from Oracle is being used in a new campaign by the prolific ShinyHunters hacking group, which recently claimed credit for an attack on the FBI’s jobs site.
-
Apple Patches CoreGraphics Flaw Possibly Exploited in Targeted Attacks
Apple has released security updates to address a vulnerability in older versions of iOS, iPadOS, and macOS that it said may have been exploited in targeted attacks. The vulnerability, tracked as CVE-2026-86950, refers to an out-of…
-
Bitget Says Attacker Exploited Third-Party Security Product Flaw to Steal $388M
The attacker who stole about $388 million from the cryptocurrency exchange Bitget gained access through a vulnerability in a third-party security product the exchange used, Bitget said on Monday. The attacker exploited the flaw to…
-
US, UK warn of exploited Citrix NetScaler zero-day bugs
Incident responders began warning of potential vulnerabilities in NetScaler Gateway products on Saturday before cybersecurity agencies in the Netherlands, U.S. and U.K. released advisories on Sunday confirming vulnerabilities. Cit…
-
Citrix urges immediate upgrades of NetScaler amid widespread exploitation attempts
Security teams received urgent calls to disconnect servers before authorities confirmed critical zero-day flaws.
-
Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exploited in the Wild
Unit 42 is aware of possible 0-day activity against NetScaler devices. Citrix reports CVE-2026-88771, CVE-2026-88772 have been exploited in the wild. The post Threat Brief: NetScaler Zero Days CVE-2026-88771 and CVE-2026-88772 Exp…
-
⚡ Weekly Recap: $387M Crypto Hack, Citrix Exploits, AI Agents Go Off-Script, and More Threats
A domain used as harmless placeholder text showed up in roughly 1,700 repositories. Then somebody registered it and started serving malicious lures. That is the kind of week this was: forgotten assumptions turning into live attack…
-
FBI job portals remain offline after ShinyHunters claims breach via PeopleSoft zero-day
The FBI s online portals for job applicants (at apply.fbijobs.gov) and special agent applicants (at fbijobs.gov/special-agents) are still unavailable, following what appears to be successful compromises by the ShinyHunters cyber e…
-
Google Warns of ShinyHunters’ Fresh Oracle PeopleSoft Campaign
The extortion group has modified its exploit in new attacks targeting the PeopleSoft vulnerability CVE-2026-35273. The post Google Warns of ShinyHunters Fresh Oracle PeopleSoft Campaign appeared first on SecurityWeek .
-
Zero-Day Exploitation of Citrix NetScaler ADC and Gateway: CVE-2026-88771 and CVE-2026-88772
Overview On September 27, 2026, Citrix disclosed eight new vulnerabilities affecting NetScaler ADC and NetScaler Gateway, including two critical remote code execution (RCE) vulnerabilities: CVE-2026-88771 and CVE-2026-88772 . Both…
-
Citrix NetScaler RCE zero-days exploited globally for weeks (CVE-2026-88771, CVE-2026-88772)
Citrix has patched eight critical and high-severity vulnerabilities in NetScaler ADC and NetScaler Gateway, two of which (CVE-2026-88771, CVE-2026-88772) have been exploited in zero-day attacks to plant webshells on compromised de…
-
Kiteworks Urges Server Shutdown, Finds Advanced Forms Vulnerability
The company says the measure was precautionary and that it has no evidence of Kiteworks or customer systems being compromised. The post Kiteworks Urges Server Shutdown, Finds Advanced Forms Vulnerability appeared first on Security…
-
Citrix Confirms 2 NetScaler Zero-Days After Admins Pulled the Plug
Citrix has released patches for the critical NetScaler vulnerabilities tracked as CVE-2026-88771 and CVE-2026-88772. The post Citrix Confirms 2 NetScaler Zero-Days After Admins Pulled the Plug appeared first on SecurityWeek .
-
CISA Says Attackers Are Exploiting Two Critical Citrix NetScaler Flaws Globally
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Sunday added two critical Citrix NetScaler ADC and Gateway flaws to its Known Exploited Vulnerabilities (KEV) catalog, following reports of active exploitation. T…
-
CISA orders feds to patch exploited Citrix flaws by Wednesday
The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies over the weekend to secure their systems against attacks exploiting two critical Citrix NetScaler vulnerabilities. [...]
-
Citrix admins warned to shut down NetScalers over 2 exploited zero-days
Two unpatched Citrix NetScaler zero-day vulnerabilities are reportedly being exploited in attacks, with cybersecurity agencies, security researchers, and IT providers privately warning organizations about the flaws ahead of patche…
-
Cloudflare fixes Containers cross-tenant flaw exposing customer data
Cloudflare has fixed a vulnerability in Containers and Sandboxes that allowed customers with a Workers Paid account to recover residual data from other customers' containers on the same physical host. [...]
-
Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks
CISA added CVE-2026-65660 to its KEV catalog, giving federal agencies a patching deadline of September 28. The post Microsoft SharePoint Flaw CVE-2026-65660 Now Exploited in Attacks appeared first on SecurityWeek .
-
Warning: Two Unpatched Citrix NetScaler RCE Zero-Days Under Active Exploitation
Two new unpatched zero-day vulnerabilities in Citrix NetScaler ADC and NetScaler Gateway appliances that allow remote code execution are being actively exploited in the wild, security firm watchTowr said on September 26. Citrix ha…
-
CVE-2026-88772: Citrix NetScaler — Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability
Citrix NetScaler ADC and NetScaler Gateway contain an improper restriction of operations within the bounds of a memory buffer vulnerability that could allow for remote code execution or denial of service
-
CVE-2026-88771: Citrix NetScaler — Citrix NetScaler Improper Input Validation Vulnerability
Citrix NetScaler ADC and NetScaler Gateway contain an improper input validation vulnerability that could allow an unauthenticated attacker to execute arbitrary commands.
-
ShinyHunters uses WAF bypass trick in Oracle PeopleSoft attacks
The ShinyHunters extortion gang is using a URL-encoding trick to bypass web application firewall rules that mitigate the Oracle PeopleSoft CVE-2026-35273 flaw, allowing the threat actors to resume widespread exploitation of a flaw…
-
Attackers Bypass WAFs to Exploit Oracle PeopleSoft Flaw and Deploy Web Shells
Google is warning of renewed mass exploitation of a known security vulnerability in Oracle PeopleSoft as part of a campaign targeting multiple sectors globally. The ShinyHunters-linked activity involves the weaponization of CVE-20…
Last fetch 17m ago · 0 new · 1 source error(s)