CVE-2026-54475

Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ: Temporary destination ownership takeover

HIGH
7.5
CVSS Score
Published: June 30, 2026 at 09:48 AM UTC
Updated: July 2, 2026 at 06:58 PM UTC
3 products affected across 1 vendorActiveMQApache ActiveMQ BrokerActiveMQ All

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

Missing Authorization vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ All, Apache ActiveMQ. Apache ActiveMQ Classic temporary destinations are expected to be isolated to the connection that created them. The isolation can be broken as this is only checked in the client, allowing a different connection to consume from another connection's temporary destination. This issue affects Apache ActiveMQ Broker: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement
v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement
v < 5.19.86.0.0 ≤ v < 6.2.76.0.0
Affected range stops below 5.19.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Vendor AdvisoryMailing List
Source: cverecord
https://lists.apache.org/thread/85f3q7mkh71y7qwyn6wvgw0bw4jl06ys
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/06/29/15

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-862

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