CVE-2026-50750: apache software foundation apache activemq Uncontrolled Resource Consumption
Vulnerability summary
CVE-2026-50750 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in apache software foundation apache activemq. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 51.6% of scored vulnerabilities.
Timeline
- 30-06-2026PublishedVulnerability first disclosed.
- 30-06-2026Last modifiedVulnerability information updated.
Description
Denial of Service via Out of Memory vulnerability in Apache ActiveMQ Broker, Apache ActiveMQ, Apache ActiveMQ All. Following the fix for CVE-2026-49270 an unauthenticated attacker can now cause broker OOM by sending an repeated BrokerInfo commands without sending a ConnectionInfo, until the broker will crash with OOM. This issue affects Apache ActiveMQ Broker: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7; Apache ActiveMQ All: from 5.19.7 before 5.19.8, from 6.2.6 before 6.2.7. Users are recommended to upgrade to version 6.2.7, which fixes the issue.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.69%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
0.00 pp
From 0.69% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Apache software foundation3 products
- apache activemq≥ 5.19.7, < 5.19.8 | ≥ 6.2.6, < 6.2.7
- apache activemq all≥ 5.19.7, < 5.19.8 | ≥ 6.2.6, < 6.2.7
- apache activemq broker≥ 5.19.7, < 5.19.8 | ≥ 6.2.6, < 6.2.7
Apache2 products
- activemq5.19.7 | 6.2.6
- activemq_broker5.19.7 | 6.2.6
Debian1 product
- activemqAll versions (No fix recorded)
Ubuntu1 product
- activemqAll versions (No fix recorded)
4 vendors · 7 products
