OESA-2026-4521

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Source
https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4521
Import Source
https://repo.openeuler.org/security/data/osv/OESA-2026-4521.json
JSON Data
https://api.osv.dev/v1/vulns/OESA-2026-4521
Upstream
Published
2026-10-22T14:36:08Z
Modified
2026-10-22T14:45:07Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
cpp-httplib security update
Details

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code!

Security Fix(es):

cpp-httplib is a C++ header-only HTTP/HTTPS library. Prior to 0.51.0, create_redirect_client() removes Host, Proxy-Authorization, and Authorization headers when following a cross-origin 301, 302, 307, or 308 redirect but leaves Cookie headers attached. detail::redirect() copies the request for those redirect codes, so cookies supplied directly or through default_headers_ are sent to the redirect target. An attacker who controls a redirect response, or a network position for a non-HTTPS origin, can receive session cookies intended for the original origin. A 303 redirect is not affected because that path clears all request headers. This issue is fixed in version 0.51.0.(CVE-2026-102944)

Database specific 
{
    "severity":  "High"
}
References

Affected packages

openEuler:22.03-LTS-SP4 / cpp-httplib

Package

Name
cpp-httplib
Purl
pkg:rpm/openEuler/cpp-httplib&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.27.0-2.oe2203sp4

Ecosystem specific 

{
    "aarch64":  [
        "cpp-httplib-0.27.0-2.oe2203sp4.aarch64.rpm",
        "cpp-httplib-debuginfo-0.27.0-2.oe2203sp4.aarch64.rpm",
        "cpp-httplib-debugsource-0.27.0-2.oe2203sp4.aarch64.rpm",
        "cpp-httplib-devel-0.27.0-2.oe2203sp4.aarch64.rpm"
    ],
    "src":  [
        "cpp-httplib-0.27.0-2.oe2203sp4.src.rpm"
    ],
    "x86_64":  [
        "cpp-httplib-0.27.0-2.oe2203sp4.x86_64.rpm",
        "cpp-httplib-debuginfo-0.27.0-2.oe2203sp4.x86_64.rpm",
        "cpp-httplib-debugsource-0.27.0-2.oe2203sp4.x86_64.rpm",
        "cpp-httplib-devel-0.27.0-2.oe2203sp4.x86_64.rpm"
    ]
}

Database specific

source 
"https://repo.openeuler.org/security/data/osv/OESA-2026-4521.json"