How severe is CVE-2026-49157?

CVE-2026-49157 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-49157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-49157?

CVE-2026-49157 affects Apache Activemq. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-49157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-49157 have an EU (EUVD) identifier?

Yes. CVE-2026-49157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33574.

When was CVE-2026-49157 published?

CVE-2026-49157 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-49157

CVE-2026-49157 is a high-severity vulnerability in Apache Activemq with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33574
Weakness: CWE-276
Affected product: Apache Activemq
Published: 2026-06-01
Last modified: 2026-06-17

Description

Incorrect Default Permissions vulnerability in Apache ActiveMQ. This issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6. The default Jolokia authorization settings granted non-admin (low-privilege) web-login accounts access to Jolokia operations which allowed executing broker management operations meant for admins such as addQueue and removeQueue. Users are recommended to upgrade to version 6.2.6 or 5.19.7, which fixes the issue.

Frequently asked questions

What is CVE-2026-49157?: Incorrect Default Permissions vulnerability in Apache ActiveMQ. This issue affects Apache ActiveMQ: before 5.19.7, from 6.0.0 before 6.2.6. The default Jolokia authorization settings granted non-admin (low-privilege) web-login accounts access to Jolokia operations which allowed executing broker management operations meant for admins such as addQueue and removeQueue. Users are recommended to upgrade to version 6.2.6 or 5.19.7, which fixes the issue.
How severe is CVE-2026-49157?: CVE-2026-49157 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-49157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-49157?: CVE-2026-49157 affects Apache Activemq. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-49157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-49157 have an EU (EUVD) identifier?: Yes. CVE-2026-49157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33574.
When was CVE-2026-49157 published?: CVE-2026-49157 was published on 2026-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*

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