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undici: undici vulnerable to HTTP header injection via Set-Cookie percent-decoding

🗓️ 10 Jul 2026 17:41:23Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

undici cookie parser mis-decodes Set-Cookie, enabling header injection for session fixation and redirects.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ibm
IBM Security Bulletins		Security Bulletin: IBM Maximo Application Suite - Visual Inspection component uses undici which is vulnerable to CVE-2026-11525, CVE-2026-12151, CVE-2026-6733, CVE-2026-9679
3 Aug 202611:04
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ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to multiple Node.js modules
31 Jul 202614:54
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ibm
IBM Security Bulletins		Security Bulletin:Vulnerability in Netty affects IBM Netezza Appliance
10 Aug 202612:33
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IBM Security Bulletins		Security Bulletin: IBM MAS uses axios-1.15.2, protobufjs-8.0.1 and undici-7.26 which is vulnerable to multiple CVEs, and contains vulnerabilities related to missing Secure attribute on mas-redirect-uri cookie and weak HMAC Session Secret
3 Aug 202611:18
–ibm
ibm
IBM Security Bulletins		Security Bulletin: Multiple security vulnerabilities in IBM Business Automation Manager Open Editions
30 Jul 202617:10
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nessus
Tenable Nessus		Amazon Linux 2023 : nodejs24, nodejs24-devel, nodejs24-full-i18n (ALAS2023-2026-1920)
16 Jul 202600:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : nodejs22, nodejs22-devel, nodejs22-full-i18n (ALAS2023-2026-1921)
16 Jul 202600:00
–nessus
nessus
Tenable Nessus		Fedora 44 : nodejs24 (2026-ce5dac2ed8)
30 Jul 202600:00
–nessus
nessus
Tenable Nessus		openSUSE 16 Security Update : nodejs22 (openSUSE-SU-2026:21058-1)
1 Jul 202600:00
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nessus
Tenable Nessus		openSUSE 16 Security Update : nodejs24 (openSUSE-SU-2026:21236-1)
9 Jul 202600:00
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Hardened Imagesanyaarch64nodejs2626.5.0-1.3.hum1nodejs26-26.5.0-1.3.hum1.aarch64.rpm
Red Hat Hardened Imagesanyx86_64nodejs2626.5.0-1.3.hum1nodejs26-26.5.0-1.3.hum1.x86_64.rpm
Red Hat Hardened Imagesanynoarchnodejs26-bin26.5.0-1.3.hum1nodejs26-bin-26.5.0-1.3.hum1.noarch.rpm

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17 Aug 2026 15:53Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.9
EPSS0.00257
SSVC
CWE-93
undicicookie parsingset cookie headerheader injectionupstream controlsession fixationopen redirectcache poisoning
10