CVE-2026-21876: Incomplete Filtering of Multiple Instances of Special Elements
| Reporter | Title | Published | Views | Family All 49 |
|---|---|---|---|---|
 | Exploit for CVE-2026-21876 | 7 Jan 202614:48 | – | githubexploit |
 | CVE-2026-4048 | 20 Apr 202613:36 | – | attackerkb |
| CVE-2026-3518 | 20 Apr 202613:29 | – | attackerkb |
| CVE-2026-3519 | 20 Apr 202613:32 | – | attackerkb |
| CVE-2026-3517 | 20 Apr 202613:22 | – | attackerkb |
 | Amazon Linux 2023 : mod_security_crs (ALAS2023-2026-1399) | 5 Feb 202600:00 | – | nessus |
| Debian dla-4488 : modsecurity-crs - security update | 22 Feb 202600:00 | – | nessus |
| Debian dsa-6105 : modsecurity-crs - security update | 21 Jan 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-21876 | 8 Jan 202600:00 | – | nessus |
 | Important: mod_security_crs | 5 Feb 202600:00 | – | amazon |
10
| Source | Link |
|---|---|
| nvd | www.nvd.nist.gov/vuln/detail/CVE-2026-21876 |
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09 Apr 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3 - 9.3
EPSS0.17507
SSVC