CVE-2026-71290: apache httpclient

csirt@kutim:~/threat-intel/cve/CVE-2026-71290

CVSS 9.1 · Critical EPSS 0,33%

Kerentanan Improper Certificate Validation pada apache httpclient. Skor CVSS 3.1 9.1 (Critical) menurut CISA ADP.

Deskripsi (NVD)

Improper TLS hostname verification vulnerability in Apache HttpComponents Client 5.4 or newer. HostnameVerificationPolicy#BUILTIN setting has no effect when used with the async version of HttpClient. An attacker that can intercept and modify traffic between the client and the server can impersonate the server by presenting a valid certificate for a different domain. Please note the classic version of HttpClient is not affected by this vulnerability. Affected users are recommended to upgrade to at least version 5.6.4, which fixes the issue.

Rincian

Terbit di NVD: 11 Agustus 2026
Terakhir diubah: 24 September 2026
Status NVD: Analyzed
CVSS 3.1: 9.1 (Critical), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-295: Improper Certificate Validation
EPSS (30 hari): 0,33% peluang dieksploitasi; lebih tinggi dari 24,4% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
apache	httpclient	Versi 5.4 hingga sebelum 5.6.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

http://www.openwall.com/lists/oss-security/2026/08/13/6 mailing list · advisory pihak ketiga
https://lists.apache.org/thread/bhf7g2zwpom2ohvwjjjlonc93br2s8vq mailing list · release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.