CVE-2026-75509

Katalog CVE

CVSS 6.5 · Medium EPSS 0,12%

Kerentanan Authentication Bypass by Spoofing. Skor CVSS 3.1 6.5 (Medium) menurut github.com.

Deskripsi (NVD)

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption (JOSE) standards. Prior to version 1.7.3, JWTClaimsRegistry applies membership matching to list-valued iss and sub claims, allowing an array-valued iss that contains the expected issuer to pass an intended equality check and enabling issuer-validation bypass. This issue is fixed in version 1.7.3.

Rincian

Terbit di NVD

24 Agustus 2026

Terakhir diubah

12 Oktober 2026

Status NVD

Deferred

CVSS 3.1

6.5 (Medium), sumber github.com
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-290: Authentication Bypass by Spoofing
CWE-345: Insufficient Verification of Data Authenticity

EPSS (30 hari)

0,12% peluang dieksploitasi; lebih tinggi dari 1,9% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://github.com/authlib/joserfc/commit/76ee6a59bf5773c0af00b99076c5e199031f97f1
• https://github.com/authlib/joserfc/security/advisories/GHSA-r74j-q665-7rpj