Veille CVE
CVE-2026-6276
7.5 ÉlevéeDescription
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.
Produits concernés
Scores CVSS
| Version | Score | Source | Vecteur |
|---|---|---|---|
| 3.1 | 7.5 Élevée | nvd@nist.gov (NVD) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | 7.5 Élevée | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Faiblesses (CWE)
Références
- https://curl.se/docs/CVE-2026-6276.html PatchVendor Advisory
- https://curl.se/docs/CVE-2026-6276.json Product
- https://hackerone.com/reports/3671818 ExploitIssue TrackingThird Party Advisory
- http://www.openwall.com/lists/oss-security/2026/04/29/13 Mailing ListThird Party Advisory
- https://hackerone.com/reports/3671818 ExploitIssue TrackingThird Party Advisory