CVE-2026-59675: Rancher 2.14.0 to before 2.14.4, 2.13.0 to before 2.13.8, 2.12.0 to before 2.12.12

CVE-2026-59675. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00557 (percentile 0.45667), scored 22-Oct-2026.

Affected technology

Rancher · 2.14.0 to before 2.14.4, 2.13.0 to before 2.13.8, 2.12.0 to before 2.12.12
SUSE

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker can send arbitrarily large request bodies to the public login endpoints, causing the Rancher Manager server process to allocate memory proportional to the supplied body size. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-770
CCR priority: 30.1 /100 (P4)
CVSS 3.1: 7.5 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · Vendor/CNA
EPSS: 0.00557 · percentile 0.45667 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-59675.html