On Friday, April 12, Palo Alto Networks published an advisory on CVE-2024-3400, a CVSS 10 zero-day vulnerability in several versions of PAN-OS, the operating system that runs on the company’s firewalls.
According to the vendor advisory, if conditions for exploitability are met, the vulnerability may enable an unauthenticated attacker to execute arbitrary code with root privileges on the firewall. Patches are available for some versions as of Sunday, April 14, 2024.
Read more…
Source: Rapid7
Related:
- ‘Dirty Frag’ Linux flaw one-ups CopyFail with no patches and public root exploit
May 8, 2026
Broken disclosure embargo left admins facing a fresh root-level flaw with no CVE A fresh Linux privilege escalation bug dubbed “Dirty Frag” has dropped into the wild with no patches, no CVE, and a public exploit that hands attackers root access across major distributions.Security researcher Hyunwoo Kim disclosed the local privilege escalation flaw on Friday after what he ...
- Critical Buffer Overflow in Palo Alto Networks PAN-OS User-ID Authentication Portal (CVE-2026-0300)
May 6, 2026
On May 6, 2026, Palo Alto Networks published a security advisory for CVE-2026-0300, a critical unauthenticated buffer overflow vulnerability affecting PAN-OS PA-Series and VM-Series firewall appliances. Prisma Access, Cloud NGFW, and Panorama appliances are not affected by this vulnerability. The vulnerability carries a CVSSv4 score of 9.3 and has been confirmed as exploited in the wild ...
- Update WhatsApp now: Two new flaws could expose you to malicious files
May 5, 2026
Meta has published a new security advisory for messaging app WhatsApp, announcing patches for two vulnerabilities. WhatsApp has fixed two security flaws that could be abused to interfere with how media and attachments are handled on your device. There is no evidence that either bug has been exploited in the wild. These bugs don’t automatically infect ...
- Children say they can beat age checks by drawing on a fake mustache
May 4, 2026
It’s been months since the UK government began requiring stronger age checks under the Online Safety Act, and recent research suggests those measures are falling short of keeping kids away from harmful content. In some cases, even drawing on a mustache has been reported as enough to fool age detection software. Like keeping booze away from ...
- ASD: Careful Adoption of Agentic AI Services
May 1, 2026
Agentic artificial intelligence (AI) systems increasingly operate across critical infrastructure and defence sectors and support mission-critical capabilities. As agentic AI systems play a growing operational role, it is crucial for defenders to implement security controls to protect national security and critical infrastructure from agentic AI-specific risks. Agentic AI can automate repetitive, well-defined and low-risk tasks. However, ...
- Copy Fail vulnerability allows attackers to gain root access on virtually any modern Linux distribution
April 30, 2026
A working exploit written in Python (later released in other programming languages as well) consists of about ten lines of code and uses standard system calls that are indistinguishable from normal system activity. Kaspersky explain what the CVE-2026-31431 vulnerability, unofficially named as Copy Fail and published on April 29, is. Kaspersky also have some advice on ...

