CVE-2026-4873

Katalog CVE

CVSS 5.9 · Medium EPSS 0,36%

Kerentanan Cleartext Transmission of Sensitive Information pada haxx curl. Skor CVSS 3.1 5.9 (Medium) menurut CISA ADP.

Deskripsi (NVD)

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text (via IMAP, SMTP, or POP3), a subsequent request to that same host bypasses the TLS requirement and instead transmit data unencrypted.

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:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-319: Cleartext Transmission of Sensitive Information
CWE-295: Improper Certificate Validation

EPSS (30 hari)

0,36% peluang dieksploitasi; lebih tinggi dari 27,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://curl.se/docs/CVE-2026-4873.html patch · advisory vendor
• https://curl.se/docs/CVE-2026-4873.json advisory vendor
• http://www.openwall.com/lists/oss-security/2026/04/29/7 mailing list · patch · advisory pihak ketiga
• https://hackerone.com/reports/3621851 exploit · issue tracking · advisory pihak ketiga