CVE-2026-66299: apache tomcat

csirt@kutim:~/threat-intel/cve/CVE-2026-66299

CVSS 5.3 · Medium EPSS 0,55%

Kerentanan Uncontrolled Resource Consumption pada apache tomcat. Skor CVSS 3.1 5.3 (Medium) menurut NVD.

Deskripsi (NVD)

Uncontrolled Resource Consumption vulnerability in Apache Tomcat's WebSocket chat example. This issue affects Apache Tomcat: from 11.0.0-M20 through 11.0.24, from 10.1.24 through 10.1.57, from 9.0.89 through 9.0.120. Users who have followed the security guidance to remove the examples web application are not affected by this issue. Users are recommended to remove the examples web application or to upgrade to version 11.0.25, 10.1.58 or 9.0.121 (when released), which fix the issue.

Rincian

Terbit di NVD: 28 Juli 2026
Terakhir diubah: 27 Agustus 2026
Status NVD: Analyzed
CVSS 3.1: 5.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-400: Uncontrolled Resource Consumption
EPSS (30 hari): 0,55% peluang dieksploitasi; lebih tinggi dari 44,6% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
apache	tomcat	Versi 9.0.89 hingga sebelum 9.0.121
apache	tomcat	Versi 10.1.24 hingga sebelum 10.1.58
apache	tomcat	Versi 11.0.1 hingga sebelum 11.0.25
apache	tomcat	Versi 11.0.0 milestone20
apache	tomcat	Versi 11.0.0 milestone21
apache	tomcat	Versi 11.0.0 milestone22
apache	tomcat	Versi 11.0.0 milestone23
apache	tomcat	Versi 11.0.0 milestone24
apache	tomcat	Versi 11.0.0 milestone25
apache	tomcat	Versi 11.0.0 milestone26

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://lists.apache.org/thread/8owczcc1o8qw1rxmg9gvfk4w2jnh4l5k mailing list · advisory vendor
http://www.openwall.com/lists/oss-security/2026/07/28/25 mailing list · advisory pihak ketiga

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.