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CVE-2026-21876

🗓️ 08 Jan 2026 14:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 2 Views

Bug in rule 922110 of OWASP CRS before 4.22.0 and 3.3.8 overwrites TX captures in multipart requests.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
GithubExploit
Exploit for CVE-2026-21876
7 Jan 202614:48
githubexploit
ATTACKERKB
CVE-2026-4048
20 Apr 202613:36
attackerkb
ATTACKERKB
CVE-2026-3518
20 Apr 202613:29
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ATTACKERKB
CVE-2026-3519
20 Apr 202613:32
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ATTACKERKB
CVE-2026-3517
20 Apr 202613:22
attackerkb
Tenable Nessus
Amazon Linux 2023 : mod_security_crs (ALAS2023-2026-1399)
5 Feb 202600:00
nessus
Tenable Nessus
Debian dla-4488 : modsecurity-crs - security update
22 Feb 202600:00
nessus
Tenable Nessus
Debian dsa-6105 : modsecurity-crs - security update
21 Jan 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-21876
8 Jan 202600:00
nessus
Amazon
Important: mod_security_crs
5 Feb 202600:00
amazon
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu26.04anymodsecurity-crs0modsecurity-crs_0_any.deb
Ubuntu18.04anymodsecurity-crs0modsecurity-crs_0_any.deb
Ubuntu20.04anymodsecurity-crs0modsecurity-crs_0_any.deb
Ubuntu22.04anymodsecurity-crs0modsecurity-crs_0_any.deb
Ubuntu24.04anymodsecurity-crs0modsecurity-crs_0_any.deb
Ubuntu25.10anymodsecurity-crs0modsecurity-crs_0_any.deb

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13 Jan 2026 14:37Current
6Medium risk
Vulners AI Score6
CVSS 3.15.3 - 9.3
EPSS0.03984
SSVC
2