CVE-2026-30851: caddyserver caddy

csirt@kutim:~/threat-intel/cve/CVE-2026-30851

CVSS 8.8 · High EPSS 0,36%

Kerentanan Improper Authentication pada caddyserver caddy. Skor CVSS 3.1 8.8 (High) menurut NVD.

Deskripsi (NVD)

Caddy is an extensible server platform that uses TLS by default. From version 2.10.0 to before version 2.11.2, forward_auth copy_headers does not strip client-supplied headers, allowing identity injection and privilege escalation. This issue has been patched in version 2.11.2.

Rincian

Terbit di NVD: 7 Maret 2026
Terakhir diubah: 17 Juni 2026
Status NVD: Analyzed
CVSS 3.1: 8.8 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-287: Improper Authentication
CWE-345: Insufficient Verification of Data Authenticity
EPSS (30 hari): 0,36% peluang dieksploitasi; lebih tinggi dari 28,0% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
caddyserver	caddy	Versi 2.10.0 hingga sebelum 2.11.2

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/caddyserver/caddy/security/advisories/GHSA-7r4p-vjf4-gxv4 exploit · mitigasi · patch · advisory vendor
https://github.com/caddyserver/caddy/pull/6608 issue tracking · patch
https://github.com/caddyserver/caddy/pull/7545 issue tracking · patch
https://github.com/caddyserver/caddy/issues/6610 issue tracking

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.