CVE-2025-59043: openbao before 2.4.1 (exclusive), < 2.4.1

CVE-2025-59043. CVSS 3.1 base score 7.5 (HIGH, Vendor/CNA). EPSS 0.00688 (percentile 0.51835), scored 19-Oct-2026.

Affected technology

openbao · before 2.4.1 (exclusive)
openbao

openbao · < 2.4.1
openbao

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

Which means an unauthenticated attacker can send a specifically crafted JSON object and cause an out-of-memory crash. Vendor/CNA’s CVSS 3.1 assessment (base score 7.5/10) rates confidentiality and integrity impact as none; availability impact as high.

Published 19-Oct-2026 17:58 UTC

CWE: CWE-400
CCR priority: 30.2 /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: 0.00688 · percentile 0.51835 · 2026-10-19
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-19 17:57:47.606446+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2025-59043.html