Linuxsecurity Critical .NET Vulnerabilities Discovered Affecting Multiple Versions
Article Content
- •Four critical vulnerabilities in .NET were disclosed, affecting versions 8.0 and 10.0.
- •CVE-2026-62899 allows request smuggling, while CVE-2026-62900 could lead to sensitive data exposure.
- •Users are urged to update their systems to the latest versions to address these vulnerabilities.
Multiple vulnerabilities were identified in .NET, impacting versions 8.0 and 10.0. Miha Zupan reported a flaw (CVE-2026-62899) allowing request smuggling through improper HTTP request interpretation. Ivan Demchuk found a vulnerability (CVE-2026-62900) that could lead to sensitive information disclosure due to improper handling of data. Kevin Gosse discovered two additional issues: one (CVE-2026-62901) that could cause denial of service through unchecked loop conditions and another (CVE-2026-62909) that could elevate privileges due to inadequate error checking. All vulnerabilities were published on 2026-08-11, and users are advised to update their systems to mitigate risks.
Ask AI about this cluster
Answers cite the sources they use
Timeline
More articles in this cluster (2)
Following this threat?
Track Ubuntu and CVE-2026-62899 in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.
Free account · no card needed
Continue Reading
CVE-2015-3306 Exploited in ProFTPD FTP Servers CVE-2015-3306, a vulnerability in ProFTPD 1.3.5, allows remote attackers to read and write arbitrary files using the SITE CPFR and SITE CPTO commands. This exploit can lead to unauthorized access and potential remote code execution, as the commands are executed with the privileges of the ProFTPD service. Active… 
CISA Mandates Urgent Patching of Five Critical Flaws Exploited by Flax Typhoon The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to patch five critical vulnerabilities by October 11, 2026, following exploitation by the China-linked hacking group Flax Typhoon. The vulnerabilities, added to CISA's Known Exploited Vulnerabilities (KEV) catalog, include…