CVE-2026-77082

Katalog CVE

CVSS 4.3 · Medium EPSS 0,47%

Kerentanan Inefficient Regular Expression Complexity pada n8n. Skor CVSS 3.1 4.3 (Medium) menurut NVD.

Deskripsi (NVD)

n8n before 1.123.69, 2.x before 2.33.4, and 2.34.x before 2.34.1 contains a regular expression denial of service (ReDoS) vulnerability in the Filter and Switch nodes, which compile user-supplied regex patterns with new RegExp() and execute them synchronously on the worker thread without complexity validation or execution timeout. A crafted regex pattern can block the worker for an extended period per data item processed, delaying other workflow executions on the same worker.

Rincian

Terbit di NVD

20 Agustus 2026

Terakhir diubah

1 September 2026

Status NVD

Analyzed

CVSS 3.1

4.3 (Medium), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1333: Inefficient Regular Expression Complexity

EPSS (30 hari)

0,47% peluang dieksploitasi; lebih tinggi dari 39,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/n8n-io/n8n/security/advisories/GHSA-q3fv-295f-qfpf mitigasi · advisory vendor
• https://www.vulncheck.com/advisories/n8n-before-redos-via-filter-and-switch-node advisory pihak ketiga