CVE-2026-43678: swiftnio before 2.101.0 (exclusive); +1 more affected products

CVE-2026-43678. CVSS 3.1 base score 5.3 (MEDIUM, Source advisory). EPSS 0.00374 (percentile 0.29834), scored 17-Oct-2026.

Affected technology

swiftnio · before 2.101.0 (exclusive)
apple

swift-nio · 0 to before 2.101.0
Apple

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 5.3/10) rates confidentiality and integrity impact as none; availability impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 18-Oct-2026 20:24 UTC

CWE: CWE-20, CWE-770
CCR priority: 21.3 /100 (P4)
CVSS 3.1: 5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L · Source advisory
EPSS: 0.00374 · percentile 0.29834 · 2026-10-17
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-18 20:23:06.032219+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-43678.html