P4Verified

CVE-2026-57967: artemis from 1.0.0 (inclusive), before 2.44.0 (exclusive), from 2.50.0 (inclusive), before 2.57.0 (exclusive); +2 more…

CVE-2026-57967. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.01073 (percentile 0.63891), scored 2026-10-08.

Affected technology

artemis · from 1.0.0 (inclusive), before 2.44.0 (exclusive)
apache

artemis · from 2.50.0 (inclusive), before 2.57.0 (exclusive)
apache

Apache Artemis · 2.50.0 through 2.56.0
Apache Software Foundation

Apache ActiveMQ Artemis · 1.0.0 through 2.44.0
Apache Software Foundation

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

An unauthenticated remote attacker can craft a CORE protocol SESSION_REATTACH packet to steal an existing session and assume ongoing execution of the previously authenticated session. Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high.

Published 2026-10-09 21:09:35.437926+00:00

CWE: CWE-306
CCR priority: 39.5 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.01073 · percentile 0.63925 · 2026-10-09
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-09 21:11:27.988868+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-09 21:08:49.498434+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-57967.html