P5Verified

CVE-2026-18040: BC-JAVA 1.73 to before 1.86

CVE-2026-18040. EPSS 0.00107 (percentile 0.01054), scored 05-Oct-2026. Fixed version: eacda831fbe15b272933e40841d8b0827b556fae.

Affected technology

BC-JAVA · 1.73 to before 1.86
Legion of the Bouncy Castle Inc.

Description’s affected range: before 1.86

Component: core
Function: of
File: GF, HQCEngine, ReedSolomon, FastFourierTransform

Attack conditions (Source advisory, CVSS 4.0): Local · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 4.0 assessment (base score 5.9/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 12-Oct-2026 00:35 UTC

CWE: CWE-208
CCR priority: 0.0 /100 (P5)
EPSS: 0.00107 · percentile 0.01081 · 2026-10-11
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
GitHub Advisory Database · Source record · observed 2026-10-04 06:01:24.332572+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-06 17:55:17.257073+00:00 UTC
OSV.dev · Source record · observed 2026-10-07 03:19:31.921362+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-18040.html