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Negotiate credentials sent to redirected origin

🗓️ 14 Oct 2026 08:00:00Reported by curlType 
curl
 curl
🔗 curl.se👁 10 Views

curl could pass Negotiate credential details to an unrelated second origin via redirects.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
freebsd
FreeBSD
Curl -- Multiple vulnerabilities
14 Oct 202600:00
–freebsd
cve
CVE
CVE-2026-86413
14 Oct 202608:00
–cve
debiancve
Debian CVE
CVE-2026-86413
14 Oct 202608:00
–debiancve
hackerone
Hacker One
curl: CVE-2026-86413: Negotiate credentials sent to redirected origin
3 Sep 202614:58
–hackerone
osv
OSV
CURL-CVE-2026-86413 Negotiate credentials sent to redirected origin
14 Oct 202608:00
–osv
osv
OSV
DEBIAN-CVE-2026-86413
14 Oct 202608:47
–osv
ubuntucve
UbuntuCve
CVE-2026-86413
14 Oct 202606:00
–ubuntucve
Vulners
Node
OR
haxxcurlRange8.21.0–8.23.0
haxxlibcurlRange8.21.0–8.23.0

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14 Oct 2026 08:17Current
5.8Medium risk
Vulners AI Score5.8
10