ALPINE-CVE-2026-6276

Source
https://security.alpinelinux.org/vuln/CVE-2026-6276
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6276.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2026-6276
Upstream
  • CVE-2026-6276
Published
2026-05-13T13:01:56.800Z
Modified
2026-06-15T18:18:11.289234438Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Alpine:v3.24 / curl

Package

Name
curl
Purl
pkg:apk/alpine/curl?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
8.20.0-r0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-6276.json"