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CVE-2026-6276

🗓️ 29 Apr 2026 14:00:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 3 Views

CVE-2026-6276: libcurl may leak cookies when a custom Host header is set and the same handle is reused.

Related
Packages
Refs
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Family
ATTACKERKB
CVE-2026-6276
13 May 202608:28
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AlpineLinux
CVE-2026-6276
13 May 202608:28
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CBLMariner
CVE-2026-6276 affecting package curl for versions less than 8.11.1-7
5 Jun 202612:59
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CBLMariner
CVE-2026-6276 affecting package cmake for versions less than 3.30.3-14
16 Jun 202623:45
cbl_mariner
Circl
CVE-2026-6276
29 Apr 202607:00
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CNNVD
libcurl 安全漏洞
13 May 202600:00
cnnvd
curl security advisories
stale custom cookie host causes cookie leak
29 Apr 202608:00
curl
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
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu22.04anycurl7.81.0-1ubuntu1.24curl_7.81.0-1ubuntu1.24_any.deb
Ubuntu24.04anycurl8.5.0-2ubuntu10.9curl_8.5.0-2ubuntu10.9_any.deb
Ubuntu25.10anycurl8.14.1-2ubuntu1.3curl_8.14.1-2ubuntu1.3_any.deb
Ubuntu26.04anycurl8.18.0-1ubuntu2.1curl_8.18.0-1ubuntu2.1_any.deb

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22 May 2026 18:06Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00291
SSVC
3