All vulnerabilities
CVE-2026-6276
stale custom cookie host causes cookie leak
Description
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.
Patch Available
Fix available through Seal Security. No upgrade required, protect your application instantly.
Fix without upgrading
Score
7.5
Severity
High
Ecosystem
APK
Publish Date
April 29, 2026
Modified Date
May 26, 2026
Score Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Versions

