CVE-2026-6253

Katalog CVE

CVSS 5.9 · Medium EPSS 0,75%

Kerentanan Insufficiently Protected Credentials pada haxx curl. Skor CVSS 3.1 5.9 (Medium) menurut CISA ADP.

Deskripsi (NVD)

curl might erroneously pass on credentials for a first proxy to a second proxy. This can happen when the following conditions are true: 1. curl is setup to use specific different proxies for different URL schemes 2. the first proxy needs credentials 3. the second proxy uses no credentials 4. while using the first proxy (using say `http://`), curl is asked to follow a redirect to a URL using another scheme (say `https://`), accessed using a second, different, proxy

Rincian

Terbit di NVD

13 Mei 2026

Terakhir diubah

15 September 2026

Status NVD

Modified

CVSS 3.1

5.9 (Medium), sumber CISA ADP
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-522: Insufficiently Protected Credentials

EPSS (30 hari)

0,75% peluang dieksploitasi; lebih tinggi dari 53,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://curl.se/docs/CVE-2026-6253.html patch · advisory vendor
• https://curl.se/docs/CVE-2026-6253.json advisory vendor
• http://www.openwall.com/lists/oss-security/2026/04/29/11 mailing list · patch · advisory pihak ketiga
• https://hackerone.com/reports/3669637 exploit · issue tracking · advisory pihak ketiga