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CVE-2026-6253

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

CVE-2026-6253: curl may pass credentials from a first proxy to a second proxy on Unix.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6253
13 May 202608:28
attackerkb
AlpineLinux
CVE-2026-6253
13 May 202608:28
alpinelinux
CBLMariner
CVE-2026-6253 affecting package curl for versions less than 8.11.1-8
16 Jun 202623:45
cbl_mariner
CBLMariner
CVE-2026-6253 affecting package cmake for versions less than 3.30.3-14
16 Jun 202623:45
cbl_mariner
Circl
CVE-2026-6253
29 Apr 202607:06
circl
CNNVD
curl 安全漏洞
13 May 202600:00
cnnvd
curl security advisories
proxy credentials leak over redirect-to proxy
29 Apr 202608:00
curl
Tenable Nessus
Curl 7.14.1 < 8.20.0 Proxy Credential Disclosure
1 May 202600:00
nessus
Tenable Nessus
Photon OS 4.0: Curl PHSA-2026-4.0-1007
7 May 202600:00
nessus
Tenable Nessus
Photon OS 5.0: Curl PHSA-2026-5.0-0838
7 May 202600:00
nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu14.04anycurl0curl_0_any.deb
Ubuntu16.04anycurl0curl_0_any.deb
Ubuntu18.04anycurl0curl_0_any.deb
Ubuntu20.04anycurl0curl_0_any.deb
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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21 May 2026 14:45Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
EPSS0.00639
SSVC
3