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CVE-2026-82209

🗓️ 06 Sep 2026 17:49:35Reported by Alpine Linux Development TeamType 
alpinelinux
 alpinelinux
🔗 security.alpinelinux.org👁 11 Views

libcurl with libpsl fails to enforce PSL boundary in Set-Cookie Domain, leaking cookies to sibling subdomains.

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Refs
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12 Sep 202608:54
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CVE-2026-82209
2 Sep 202612:35
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curl security advisories
domain-scoped PSL domain cookie
2 Sep 202608:00
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6 Sep 202617:49
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cvelist
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6 Sep 202617:49
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debiancve
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CVE-2026-82209
6 Sep 202617:49
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euvd
EUVD
EUVD-2026-72153
6 Sep 202617:49
euvd
hackerone
Hacker One
curl: CVE-2026-82209: domain-scoped PSL domain cookie
26 Aug 202622:49
hackerone
mscve
Microsoft CVE
domain-scoped PSL domain cookie
8 Sep 202608:03
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nvd
NVD
CVE-2026-82209
6 Sep 202618:17
nvd
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Alpine Linux3.19anycurl7.88.0-r0curl-7.88.0-r0.apk
Alpine Linux3.20anycurl7.88.0-r0curl-7.88.0-r0.apk
Alpine Linux3.21anycurl7.88.0-r0curl-7.88.0-r0.apk
Alpine Linux3.22anycurl7.88.0-r0curl-7.88.0-r0.apk
Alpine Linux3.19anycurl8.14.1-r2curl-8.14.1-r2.apk
Alpine Linux3.20anycurl8.14.1-r2curl-8.14.1-r2.apk
Alpine Linux3.21anycurl8.14.1-r2curl-8.14.1-r2.apk
Alpine Linux3.22anycurl8.14.1-r3curl-8.14.1-r3.apk
Alpine Linuxanyanycurl8.22.0-r0curl-8.22.0-r0.apk
Alpine Linux3.23anycurl8.22.0-r0curl-8.22.0-r0.apk
Rows per page

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15 Sep 2026 07:16Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.0054
SSVC
11