CVE-2026-49270— Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Durable Subscription Disclosure via Crafted BrokerInfo (OpenWire)
Quick assessment
Affected
Apache Software Foundation Apache ActiveMQ Broker
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache ActiveMQ是美国阿帕奇（Apache）基金会的一套开源的消息中间件，它支持Java消息服务、集群、Spring Framework等。 Apache ActiveMQ存在安全漏洞，该漏洞源于网络连接器配置syncDurableSubs为true时，未经身份验证的攻击者可通过发送BrokerInfo命令获取所有持久主题订阅列表，包括客户端标识符、订阅名称、主题目标和JMS选择器表达式。以下版本受到影响：Apache ActiveMQ Broker 5.19.7之前版本和6.0.0至6.2
Possible ATT&CK Techniques 2 AI
T1005 · Data from Local System T1592 · Gather Victim Host InformationAffected Version Matrix 6
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ | 5.14.0< 5.19.7 |
affected |
6.0.0< 6.2.6 |
affected | ||
| Apache Software Foundation | Apache ActiveMQ All | 5.14.0< 5.19.7 |
affected |
6.0.0< 6.2.6 |
affected | ||
| Apache Software Foundation | Apache ActiveMQ Broker | 5.14.0< 5.19.7 |
affected |
6.0.0< 6.2.6 |
affected |
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I. Basic Information for CVE-2026-49270
Vulnerability Information
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Vulnerability Title
Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All: Durable Subscription Disclosure via Crafted BrokerInfo (OpenWire)
Source: CVE Program / CVE List V5
Vulnerability Description
Exposure of Sensitive Information Through Metadata vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All.
Brokers that are configured with a network connector with syncDurableSubs set to true, are vulnerable to an unauthenticated attacker who can receive a list of all durable topic subscriptions in the broker, including client identifiers, subscription names, topic destinations, and JMS selector expressions, by sending a BrokerInfo command. The broker incorrectly responds without first ensuring the connection is authenticated.
This issue affects Apache ActiveMQ Broker: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6; Apache ActiveMQ All: before 5.19.7, from 6.0.0 before 6.2.6.
Users are recommended to upgrade to version 6.2.6 or 5.19.7, which fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1230
Source: CVE Program / CVE List V5
Vulnerability Title
Apache ActiveMQ 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache ActiveMQ是美国阿帕奇（Apache）基金会的一套开源的消息中间件，它支持Java消息服务、集群、Spring Framework等。 Apache ActiveMQ存在安全漏洞，该漏洞源于网络连接器配置syncDurableSubs为true时，未经身份验证的攻击者可通过发送BrokerInfo命令获取所有持久主题订阅列表，包括客户端标识符、订阅名称、主题目标和JMS选择器表达式。以下版本受到影响：Apache ActiveMQ Broker 5.19.7之前版本和6.0.0至6.2
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache ActiveMQ Broker | 5.14.0 ~ 5.19.7 | - |
|
| Apache Software Foundation | Apache ActiveMQ | 5.14.0 ~ 5.19.7 | - |
|
| Apache Software Foundation | Apache ActiveMQ All | 5.14.0 ~ 5.19.7 | - |
|
II. Public POCs for CVE-2026-49270
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Mailing List Discussions for CVE-2026-49270 (1)
Same Patch Batch · Apache Software Foundation · 2026-06-01 · 28 CVEs total
| CVE-2026-44825 | 8.1 HIGH | Apache Solr: Enabling BasicAuth using bin/solr CLI configures additional insecure users |
| CVE-2026-48827 | 7.1 HIGH | Apache MINA SSHD: Path traversal in org.apache.sshd:sshd-git |
| CVE-2026-42358 | Apache Airflow: Variable masker depth-limit bypass returns cleartext nested secrets | |
| CVE-2026-49328 | Apache Fesod (Incubating): Improper validation of user-supplied URLs leading to SSRF | |
| CVE-2026-49361 | Apache Fluss Netty Frame Decoder Memory Exhaustion Vulnerability | |
| CVE-2026-40861 | Apache Airflow: Arbitrary File Read via Log Symlink following in FileTaskHandler | |
| CVE-2026-40961 | Apache Airflow: Open Redirect Bypass Vulnerability | |
| CVE-2026-40963 | Apache Airflow: DAG authorization bypass on /ui/structure/structure_data | |
| CVE-2026-41014 | Apache Airflow: per-DAG RBAC bypass on /ui/partitioned_dag_runs endpoints | |
| CVE-2026-49267 | Apache Airflow: No certificate validation on SMTP STARTTLS connections | |
| CVE-2026-41017 | Apache Airflow: JWT cookie missing Secure flag in JWTRefreshMiddleware behind HTTPS-termin | |
| CVE-2026-41084 | Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation | |
| CVE-2026-42252 | Apache Airflow: BashOperator Jinja2 injection via dag_run.conf — low-privilege user patter | |
| CVE-2026-42360 | Apache Airflow: Rendered template truncation bypasses nested sensitive-key masking | |
| CVE-2026-45192 | Apache Airflow: Incomplete Redaction of Sensitive Fields in Connection Extra API Response | |
| CVE-2026-42359 | Apache Airflow: Authenticated RCE via XCom PATCH endpoint — XComUpdateBody missing FORBIDD | |
| CVE-2026-45360 | Apache Airflow: Arbitrary import in custom deadline-reference deserialization | |
| CVE-2026-45426 | Apache Airflow: Log server JWT authorization bypass via Python lstrip() character strippin | |
| CVE-2026-46764 | Apache Airflow: Event Log detail endpoint bypasses DAG-scoped event log permission filter | |
| CVE-2026-48726 | Apache Airflow: revoke_token() unreachable in FabAuthManager / KeycloakAuthManager logout |
Showing top 20 of 28 CVEs. View all on vendor page → →
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