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21 May 2026

Vulnerabilities first published on this day (UTC), newest first.

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All Critical High Medium Low Exploited only Public exploit

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  • Critical 9.8
    CVE-2026-43501 Public exploit

    ipv6: rpl: reserve mac_len headroom when recompressed SRH grows

    In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: reserve mac_len headroom when recompressed SRH grows ipv6_rpl_srh_rcv() decompresses an RFC 6554 Source Routing Header, swaps the next segment into ipv6_hdr->daddr, recompresses, t…

    Linux Linux linux-raspi2 linux-hwe Linux Debian Ubuntu Azure Linux
  • Critical 9.8
    CVE-2026-5118 Public exploit

    Divi Form Builder <= 5.1.2 - Unauthenticated Privilege Escalation via 'role'

    The Divi Form Builder plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.1.2. This is due to the plugin accepting a user-controlled 'role' parameter from POST data during user registration without validating it agai…

    Divi Engine Divi Form Builder Web / CMS
  • Critical 9.8
    CVE-2026-6279 Public exploit Scanner template

    Avada (Fusion) Builder <= 3.15.2 - Unauthenticated Remote Code Execution via PHP Function Injection via 'render_logics' Shortcode Attribute via Widget AJAX Handler

    The Avada Builder (fusion-builder) plugin for WordPress is vulnerable to Unauthenticated Remote Code Execution via PHP Function Injection in versions up to and including 3.15.2. This is due to the `wp_conditional_tags` case in `Fusion_Builder_Conditional_Rend…

    ThemeFusion Avada (Fusion) Builder Web / CMS
  • Critical 10.0
    CVE-2026-48172 Exploited Public exploit EPSS 18%

    LiteSpeed User-End cPanel Plugin before 2.4.5 allows privilege escalation (possibly to root), as exploited in the wild …

    LiteSpeed Technologies cPanel Plugin WHM Plugin
    KEV May 26, 2026