Tag: flaw
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OpenAI patches twin leaks as Codex slips and ChatGPT spills
ChatGPT’s hidden outbound channel leaks user data: OpenAI has reportedly fixed a parallel bug in ChatGPT that goes beyond credential theft. Check Point researchers uncovered a hidden outbound communication path in ChatGPT’s code execution runtime that could be triggered with a single malicious prompt.This channel successfully bypassed the platform’s expected safeguards around external data sharing.…
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Critical F5 BIG-IP Flaw Upgraded to 9.8 RCE, Exploited in the Wild
F5 BIG-IP APM flaw CVE-2025-53521 escalates to critical 9.8 RCE, actively exploited. Patch now, check IoCs, and secure vulnerable systems immediately. First seen on hackread.com Jump to article: hackread.com/critical-f5-big-ip-flaw-upgrad-to-9-8-rce-exploited/
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PNG Vulnerabilities Allow Attackers to Trigger Crashes and Leak Sensitive Data
Security researchers have disclosed two high-severity vulnerabilities in libpng, the widely deployed reference library used for processing Portable Network Graphics (PNG) image files. These critical flaws allow remote attackers to trigger process crashes, leak sensitive heap memory, and potentially achieve arbitrary code execution by tricking applications into processing specially crafted, standards-compliant PNG images. Both vulnerabilities require…
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U.S. CISA adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a flaw in Citrix NetScaler to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a flaw in Citrix NetScaler, tracked as CVE-2026-3055 (CVSS ver. 4.0 score of 9.3), to its Known Exploited Vulnerabilities (KEV) catalog. In March, Citrix issued security updates for two NetScaler vulnerabilities,…
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CISA orders feds to patch actively exploited Citrix flaw by Thursday
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) ordered government agencies to patch their Citrix NetScaler appliances against an actively exploited vulnerability by Thursday. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/cisa-orders-feds-to-patch-actively-exploited-citrix-flaw-by-thursday/
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ChatGPT Vulnerability Enabled Silent Leakage of Prompts and Sensitive Information
Artificial intelligence assistants increasingly handle our most sensitive data, operating under the assumption that enclosed environments keep this information secure. However, a newly disclosed vulnerability in ChatGPT shattered this expectation. Discovered by Check Point Research, this flaw exploited the isolated code execution runtime to establish a covert outbound communication channel, effectively turning standard chat sessions…
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Hackers exploiting critical F5 BIG-IP flaw in attacks, patch now
F5 has reclassified a BIG-IP APM denial-of-service (DoS) vulnerability as a critical-severity remote code execution (RCE) flaw, warning that attackers are exploiting it to deploy webshells on unpatched devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-now-exploit-critical-f5-big-ip-flaw-in-attacks-patch-now/
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Claude AI Uncovers Zero-Day RCE Vulnerabilities in Vim and Emacs
Security researchers at Calif recently demonstrated the evolving power of artificial intelligence in vulnerability research by using Claude AI to uncover zero-day Remote Code Execution (RCE) flaws in both Vim and Emacs. The discoveries show that merely opening a malicious file in these popular text editors could allow attackers to execute arbitrary code and fully…
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Notepad++ v8.9.3 Released With Fixes for cURL Security Flaw and Crash Bugs
Notepad++ rolled out version 8.9.3, an important update addressing a notable cURL security vulnerability and resolving multiple crash bugs. Alongside these vital security patches, this release marks the official completion of the application’s migration to a new XML parser, significantly improving the performance of configuration file operations. The most critical aspect of the v8.9.3 update…
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F5 BIG-IP Vulnerability Reclassified as RCE, Under Exploitation
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/fortinet-big-ip-vulnerability-reclassified-rce-exploitation
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Fortinet BIG-IP Vulnerability Reclassified as RCE, Under Exploitation
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/fortinet-big-ip-vulnerability-reclassified-rce-exploitation
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OpenAI Patches ChatGPT Data Exfiltration Flaw and Codex GitHub Token Vulnerability
A previously unknown vulnerability in OpenAI ChatGPT allowed sensitive conversation data to be exfiltrated without user knowledge or consent, according to new findings from Check Point.”A single malicious prompt could turn an otherwise ordinary conversation into a covert exfiltration channel, leaking user messages, uploaded files, and other sensitive content,” the cybersecurity company said in First…
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Critical Citrix NetScaler memory flaw actively exploited in attacks
Hackers are exploiting a critical severity vulnerability, tracked as CVE-2026-3055, in Citrix NetScaler ADC and NetScaler Gateway appliances to obtain sensitive data. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/critical-citrix-netscaler-memory-flaw-actively-exploited-in-attacks/
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Storm Brews Over Critical, No-Click Telegram Flaw
The vulnerability, which is allegedly triggered by a corrupted sticker in the messaging app, received a 9.8 CVSS score, but Telegram denies it exists. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/storm-brews-critical-no-click-telegram-flaw
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15-Year-Old strongSwan Flaw Lets Attackers Crash VPNs via Integer Underflow
15-year-old strongSwan flaw allows attackers to crash VPNs via integer underflow bug, affecting EAP-TTLS plugin and multiple versions worldwide. First seen on hackread.com Jump to article: hackread.com/strongswan-flaw-attackers-crash-vpn-integer-underflow/
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Under Fire: Attackers Target Flaws in F5 and Citrix Gear
F5 Revises Severity of Flaw Disclosed Last Year. Flaws in major application delivery and security platforms and VPN gateways are being actively exploited or targeted. Under fire: a vulnerability in F5 BIG-IP Access Policy Manager can facilitate remote code execution, and a memory overread flaw in NetScaler Application Delivery Controller. First seen on govinfosecurity.com Jump…
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Citrix NetScaler products confirmed to be under exploitation
Security researchers at watchTowr warn that multiple flaws are involved in the early stages of a hacking spree that could rival the 2023 CitrixBleed campaign. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/citrix-netscaler-exploitation-vulnerabilities/816097/
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LangChain, LangGraph Flaws Expose Files, Secrets, Databases in Widely Used AI Frameworks
First seen on thesecurityblogger.com Jump to article: www.thesecurityblogger.com/langchain-langgraph-flaws-expose-files-secrets-databases-in-widely-used-ai-frameworks/
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It’s a mystery … alleged unpatched Telegram zero-day allows device takeover, but Telegram denies
A critical Telegram flaw could allow zero-click remote code execution on devices, but Telegram denies it. Researcher Michael DePlante (@izobashi) of TrendAI Zero Day disclosed a new Telegram vulnerability through Zero Day Initiative (ZDI). The vulnerability, tracked as ZDI-CAN-30207 (CVSS score of 9.8) allows attackers to execute code on targeted devices without any user interaction.…
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Citrix NetScaler bug exploited in days, may be multiple flaws in a trench coat
Researchers say attackers are already looting vulnerable boxes First seen on theregister.com Jump to article: www.theregister.com/2026/03/30/citrix_netscaler_flaw/
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Critical Fortinet FortiClient EMS flaw exploited for Remote Code Execution
Attackers are exploiting a critical Fortinet FortiClient EMS flaw (CVE-2026-21643) that allows remote code execution via SQL injection. A critical Fortinet FortiClient EMS vulnerability, tracked as CVE-2026-21643 (CVSS score of 9.1), is now being actively exploited. Defused researchers warn that threat actors are exploiting the vulnerability in Fortinet’s FortiClient EMS platform. >>Fortinet Forticlient EMS CVE-2026-21643…
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Hackers now exploit critical F5 BIG-IP flaw in attacks, patch now
F5 has reclassified a BIG-IP APM denial-of-service (DoS) vulnerability as a critical-severity remote code execution (RCE) flaw, warning that attackers are exploiting it to deploy webshells on unpatched devices. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/hackers-now-exploit-critical-f5-big-ip-flaw-in-attacks-patch-now/
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Stored XSS Vulnerability in Jira Work Management Could Enable Full Organization Takeover
Security researchers recently uncovered a critical stored Cross-Site Scripting (XSS) vulnerability within Atlassian’s Jira Work Management platform. This flaw allows an attacker with limited administrative permissions to execute a full organization takeover. Jira Work Management is heavily relied upon by corporate teams to track projects, manage approvals, and organize daily tasks. However, a failure to…
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Critical Fortinet Forticlient EMS flaw now exploited in attacks
Attackers are now actively exploiting a critical vulnerability in Fortinet’s FortiClient EMS platform, according to threat intelligence company Defused. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/critical-fortinet-forticlient-ems-flaw-now-exploited-in-attacks/
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Critical Grafana Flaws Allow Attackers to Achieve Remote Code Execution
Grafana Labs has rolled out critical security updates to address two severe vulnerabilities impacting its widely used analytics and interactive visualization platform. The most severe flaw could allow threat actors to achieve full Remote Code Execution (RCE) and establish an SSH connection to the host server. Administrators are strongly advised to apply the security patches…
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Hackers Probe Citrix NetScaler Systems Ahead of Suspected CVE-2026-3055 Exploitation
Tags: citrix, cve, cyber, cyberattack, cybersecurity, data-breach, exploit, flaw, hacker, intelligence, threat, vulnerabilityCybersecurity researchers are warning organizations about imminent cyberattacks targeting a newly disclosed critical vulnerability in Citrix NetScaler ADC and Gateway appliances. Threat intelligence firms watchTowr and Defused Cyber have uncovered active reconnaissance campaigns targeting CVE-2026-3055, a severe flaw that allows attackers to steal sensitive data. With hackers actively scanning for exposed systems, organizations are urged…