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

🗓️ 19 Jun 2026 14:21:30Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

Undici cookie parsing decodes values and can cause header injection when Set-Cookie is forwarded.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-9679
17 Jun 202616:59
circl
CVE
CVE-2026-9679
17 Jun 202616:56
cve
Cvelist
CVE-2026-9679 undici vulnerable to HTTP header injection via Set-Cookie percent-decoding
17 Jun 202616:56
cvelist
Debian CVE
CVE-2026-9679
17 Jun 202616:56
debiancve
EUVD
EUVD-2026-37764
19 Jun 202614:21
euvd
NVD
CVE-2026-9679
17 Jun 202618:18
nvd
OSV
DEBIAN-CVE-2026-9679
17 Jun 202618:18
osv
OSV
ECHO-D5E0-7732-0397
18 Jun 202613:18
osv
OSV
GHSA-P88M-4JFJ-68FV undici vulnerable to HTTP header injection via Set-Cookie percent-decoding
19 Jun 202614:21
osv
OSV
UBUNTU-CVE-2026-9679
18 Jun 202600:00
osv
Rows per page
Vulners
Node
nodejsundiciRange8.0.08.5.0npm
OR
nodejsundiciRange7.0.07.28.0npm
OR
nodejsundiciRange<6.27.0npm

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19 Jun 2026 14:23Current
6Medium risk
Vulners AI Score6
CVSS 3.15.9
EPSS0.00205
4