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CVE-2026-6276

CVE Details​

Visit the official vulnerability details page for CVE-2026-6276 to learn more.

Initial Publication​

05/13/2026

Last Update​

09/15/2026

Third Party Dependency​

curl-minimal

NIST CVE Summary​

Using libcurl, when a custom `Host:` header is first set for an HTTP request and a second request is subsequently done using the same easy handle but without the custom `Host:` header set, the second request would use stale information and pass on cookies meant for the first host in the second request. Leak them.

CVE Severity​

7.5

Our Official Summary​

Investigation is ongoing to determine how this vulnerability affects our products.

Status​

Modified

Affected Products & Versions​

VersionPaletteAIPaletteAI VerteX
1.4.0⚠️ Impacted⚠️ Impacted
1.3.2⚠️ Impacted⚠️ Impacted
1.2.2⚠️ Impacted⚠️ Impacted

Revision History​

No revisions available.