csirt@kutim:~/threat-intel/cve/CVE-2026-28753

Katalog CVE

CVSS 3.7 · Low EPSS 0,26%

Kerentanan Improper Neutralization of CRLF Sequences ('CRLF Injection') pada f5 nginx plus, f5 nginx open source. Skor CVSS 3.1 3.7 (Low) menurut f5.com.

Deskripsi (NVD)

NGINX Plus and NGINX Open Source have a vulnerability in the ngx_mail_smtp_module module due to the improper handling of CRLF sequences in DNS responses. This allows an attacker-controlled DNS server to inject arbitrary headers into SMTP upstream requests, leading to potential request manipulation. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Rincian

Terbit di NVD
24 Maret 2026
Terakhir diubah
17 Juni 2026
Status NVD
Analyzed
CVSS 3.1
3.7 (Low), sumber f5.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N · uraikan di kalkulator
Jenis kelemahan (CWE)
CWE-93: Improper Neutralization of CRLF Sequences ('CRLF Injection')
EPSS (30 hari)
0,26% peluang dieksploitasi; lebih tinggi dari 17,0% CVE lain

Produk dan versi terdampak

VendorProdukVersi terdampak
f5 nginx plus Versi r32 p1
f5 nginx plus Versi r32 p2
f5 nginx plus Versi r32 p3
f5 nginx plus Versi r32 p4
f5 nginx plus Versi r33
f5 nginx plus Versi r33 p1
f5 nginx plus Versi r33 p2
f5 nginx plus Versi r33 p3
f5 nginx plus Versi r34
f5 nginx plus Versi r34 p1
f5 nginx plus Versi r34 p2
f5 nginx plus Versi r35
f5 nginx plus Versi r35 p1
f5 nginx plus Versi r36
f5 nginx plus Versi r36 p1
f5 nginx plus Versi r36 p2
f5 nginx open source Versi 0.6.27 hingga 0.9.7
f5 nginx open source Versi 1.0.0 hingga sebelum 1.28.3
f5 nginx open source Versi 1.29.0 hingga sebelum 1.29.7

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

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.