CVE-2026-86415None▾ Sunlitlibcurl's connection cache match function never considers the automatic client certificate option, so a cached, already authenticated Schannel connection can be handed to a transfer that got redirected to a different origin, even though …
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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libcurl's connection cache match function never considers the automatic client certificate option, so a cached, already authenticated Schannel connection can be handed to a transfer that got redirected to a different origin, even though the code explicitly switched off the auto client cert option for that transfer to prevent exactly this.
curl >= 8.22.0 <= 8.22.0curl >= 8.21.0 <= 8.21.0Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-87861Nonecross-origin reuse of a Negotiate connection
CVE-2026-86414Noneleaking host credentials to HTTP proxy
CVE-2026-87863NoneHSTS response erases persisted entries
CVE-2026-87862NoneHSTS cache import drops longer-lived child
CVE-2026-86409Nonestale SigV4 headers sent unintended
CVE-2026-86413NoneNegotiate credentials sent to redirected origin