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stale custom cookie host causes cookie leak

🗓️ 29 Apr 2026 08:00:00Reported by curlType 
curl
 curl
🔗 curl.se👁 3 Views

Stale custom Host header on reused libcurl handle leaks cookies meant for the first host.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6276
13 May 202608:28
attackerkb
AlpineLinux
CVE-2026-6276
13 May 202608:28
alpinelinux
CBLMariner
CVE-2026-6276 affecting package curl for versions less than 8.11.1-7
5 Jun 202612:59
cbl_mariner
Circl
CVE-2026-6276
29 Apr 202607:00
circl
CNNVD
libcurl 安全漏洞
13 May 202600:00
cnnvd
CVE
CVE-2026-6276
13 May 202608:28
cve
Cvelist
CVE-2026-6276 stale custom cookie host causes cookie leak
13 May 202608:28
cvelist
Debian CVE
CVE-2026-6276
13 May 202608:28
debiancve
EUVD
EUVD-2026-29928
13 May 202608:28
euvd
Hacker One
curl: CVE-2026-6276: stale custom cookie host causes cookie leak
14 Apr 202605:45
hackerone
Rows per page
Vulners
Node
haxxcurlRange7.71.08.20.0
OR
haxxlibcurlRange7.71.08.20.0

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29 Apr 2026 09:56Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.17.5
EPSS0.00013
SSVC
3