Advisory details:
github_osv / GHSA-hf52-78x8-6w3w
| Advisory ID | github_osv/GHSA-hf52-78x8-6w3w |
| Aliases |
CVE-2026-49270
|
| Summary | Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All have an Exposure of Sensitive Information Through Metadata vulnerability 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. |
| Status | Published |
| Exploitability | 0.5 |
| Weighted Severity | 5.3 |
| Risk | 2.6 |
| Affected and Fixed Packages | Package Details |
| Introduced and Fixed Package Commit Patches | Package Commit Patches Details |
| System | Score | Found at |
|---|---|---|
| cvssv3.1 | 5.9 | https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-hf52-78x8-6w3w/GHSA-hf52-78x8-6w3w.json |
| generic_textual | MODERATE |
| Reference id | Reference type | URL |
|---|---|---|
| https://github.com/apache/activemq | ||
| http://www.openwall.com/lists/oss-security/2026/05/31/22 | ||
| CVE-2026-49270 | https://nvd.nist.gov/vuln/detail/CVE-2026-49270 | |
| k3233c1x506z3w7x4z0dqvd86d4v2fr2 | Advisory | https://lists.apache.org/thread/k3233c1x506z3w7x4z0dqvd86d4v2fr2 |
No EPSS data available for this advisory.
| Patch URL | |
|---|---|
| There are no known patches. | |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-06-01T13:11:07Z/
Decision: Track
Source URL: https://github.com/cisagov/vulnrichment/blob/develop/2026/49xxx/CVE-2026-49270.json
Source Advisory: vulnrichment/CVE-2026-49270
[{'Exploitation': 'none'},
{'Automatable': 'no'},
{'Technical Impact': 'partial'},
{'Mission Prevalence': 'minimal'},
{'Public Well-being Impact': 'material'},
{'Mission & Well-being': 'medium'}]