Linuxsecurity Critical Security Flaws in pgAdmin 4 Affecting Fedora Users
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- •Multiple critical vulnerabilities in pgAdmin 4 disclosed on September 17, 2026.
- •CVE-2026-86862, CVE-2026-86863, CVE-2026-86864, and CVE-2026-86861 allow for severe attacks.
- •Users are urged to upgrade to pgAdmin 9.18 to address these vulnerabilities.
Multiple vulnerabilities in pgAdmin 4, including CVE-2026-86862, CVE-2026-86863, CVE-2026-86864, and CVE-2026-86861, were disclosed on September 17, 2026. These flaws allow for connection-string injection, authentication bypass, and arbitrary file write, posing significant risks to users of Fedora systems. The vulnerabilities affect pgAdmin versions 9.18 and earlier. CISA has confirmed exploitation of a Linux firewall flaw, urging users to check for necessary fixes. Administrators are advised to update to pgAdmin 9.18 to mitigate these risks. The updates can be installed using the 'dnf' package manager. The vulnerabilities are critical and have been assigned a high severity rating due to their potential impact on database security.
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