CVE-2026-40046
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT vulnerable to Integer Overflow or Wraparound
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 4 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0 |
| sid | Fixed | 0 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 0 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.apache.activemq:apache-activemq | >=6.0.0,<6.2.4 | 6.2.4 |
| Maven | org.apache.activemq:activemq-all | >=6.0.0,<6.2.4 | 6.2.4 |
| Maven | org.apache.activemq:activemq-mqtt | >=6.0.0,<6.2.4 | 6.2.4 |
References
- https://security-tracker.debian.org/tracker/CVE-2026-40046
- https://nvd.nist.gov/vuln/detail/CVE-2026-40046
- https://activemq.apache.org/security-advisories.data/CVE-2026-40046-announcement.txt
- https://lists.apache.org/thread/zdntj5rcgjjzrpow84o339lzldy68zrg
- https://www.cve.org/CVERecord?id=CVE-2025-66168
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.