Stay updated on the latest in information security flaws. Explore news, insights, and analysis on vulnerabilities affecting digital safety.
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Background for this topic.
Flaw is a weakness or imperfection in software, hardware, or organizational processes that, within the realm of information security, can be exploited by cyber threats to gain unauthorized access or cause damage to data and systems. In the context of information security, a flaw can take various forms such as vulnerabilities, code bugs, design flaws, or configuration errors. These issues can undermine the security of an information system and create potential risks for data breaches, cyber-attacks, or other types of security incidents.
Identifying and addressing flaws is a critical aspect of maintaining cybersecurity posture. This involves processes such as vulnerability assessments, penetration testing, and the implementation of appropriate security controls. Regularly updating systems, applying patches, and adhering to security best practices are essential strategies to mitigate the risks associated with flaws in an organization's technological infrastructure.
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Rapid7: Attackers exploit authentication bypass flaw in the wild, meaning more emergency patching for PAN-OS users
CVE-2026-0257 lets attackers forge Palo Alto GlobalProtect auth cookies and bypass VPN login. Exploitation confirmed since May 17. Palo Alto Networks addressed the vulnerability CVE-2026-0257 on May 13. Two weeks later, cybersecurity firm Rapid7 confirmed active exploitation across multiple customer environments. The flaw impacts the GlobalProtect portal and gateway components of Palo Alto Networks PAN-OS […]
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. [...]
Palo Alto Networks has warned that a recently disclosed medium-severity security flaw impacting PAN-OS and Prisma Access has come under active exploitation in the wild
Palo Alto Networks has disclosed that threat actors may have attempted to unsuccessfully exploit a recently disclosed critical security flaw as early as April 9, 2026
Vendor Details Mitigations, Promises Patched PAN-OS Software in Coming WeeksPalo Alto Networks warned that a critical vulnerability in the PAN-OS software that runs its firewalls is being actively exploited in the wild by attackers. The vendor detailed temporary mitigations and promised to release updated software to fully patch the flaw later this month.
Palo Alto Networks has released an advisory warning that a critical buffer overflow vulnerability in its PAN-OS software has been exploited in the wild