CVE-2026-5246

Katalog CVE

CVSS 8.1 · High EPSS 0,57%

Kerentanan Improper Authorization pada cesanta mongoose. Skor CVSS 3.1 8.1 (High) menurut NVD.

Deskripsi (NVD)

A vulnerability was determined in Cesanta Mongoose up to 7.20. Affected is the function mg_tls_verify_cert_signature of the file mongoose.c of the component P-384 Public Key Handler. Executing a manipulation can lead to authorization bypass. The attack can be executed remotely. Attacks of this nature are highly complex. The exploitability is told to be difficult. The exploit has been publicly disclosed and may be utilized. Upgrading to version 7.21 is able to address this issue. This patch is called 0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1. The affected component should be upgraded. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

Rincian

Terbit di NVD

2 April 2026

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

8.1 (High), sumber NVD
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-285: Improper Authorization
CWE-639: Authorization Bypass Through User-Controlled Key

EPSS (30 hari)

0,57% peluang dieksploitasi; lebih tinggi dari 45,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/cesanta/mongoose/commit/0d882f1b43ff2308b7486a56a9d60cd6dba8a3f1 patch
• https://vuldb.com/submit/770104 advisory pihak ketiga · vdb entry
• https://vuldb.com/vuln/354827 advisory pihak ketiga · vdb entry
• https://github.com/cesanta/mongoose/ product
• https://github.com/cesanta/mongoose/releases/tag/7.21 product · release notes
• https://vuldb.com/vuln/354827/cti permissions required · vdb entry