PT-2026-35895

CVE-2026-6276

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Published

2026-04-29

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Updated

2026-10-24

Description by

CVSS 2.0
7.8
High
MetricsAV:N/AC:L/Au:N/C:N/I:N/A:C
Name of the Vulnerable Software and Affected Versions curl (affected versions not specified)
Description When using libcurl, a flaw exists where a custom Host: header set for an initial HTTP request can cause subsequent requests using the same easy handle to use stale information. If the second request is made without a custom Host: header, it may leak cookies intended for the first host.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Researchers
Vendors
Affected products
Related identifiers
AZL-86655
AZL-86679
CLSA-2026-1785773934
CLSA-2026-1786027831
CLSA-2026-1786119141
CLSA-2026-1792808992
ECHO-78B1-43AB-D59F
JLSEC-2026-1207
OESA-2026-2451
OESA-2026-2452
OESA-2026-2453
OESA-2026-2454
OESA-2026-2477
OPENSUSE-SU-2026:10674-1
OPENSUSE-SU-2026:20973-1
RHSA-2026:12916
SUSE-SU-2026:1717-1
SUSE-SU-2026:1940-1
SUSE-SU-2026:21452-1
SUSE-SU-2026:22146-1
SUSE-SU-2026:22156-1
SUSE-SU-2026:2703-1
SUSE-SU-2026:3798-1
USN-8227-1
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