Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-04-16. Ransomware campaign use: Unknown.
CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA due date: 2026-04-30. This is the catalog’s deadline, not an assessment of your organization’s exposure.
KEV checked 13 Nov 2026, 00:20 Jerusalem · Original catalog ↗Reported products and versions
Apache Software Foundation / Apache ActiveMQ Broker
Default status: unaffected
- affected: 0 to < 5.19.4 (semver)
- affected: 6.0.0 to < 6.2.3 (semver)
Apache Software Foundation / Apache ActiveMQ All
Default status: unaffected
- affected: 0 to < 5.19.4 (semver)
- affected: 6.0.0 to < 6.2.3 (semver)
Apache Software Foundation / Apache ActiveMQ
Default status: unaffected
- affected: 0 to < 5.19.4 (semver)
- affected: 6.0.0 to < 6.2.3 (semver)
Fixes and workarounds
No explicit solution text in the downloaded CVE record. Consult the vendor advisory; unaffected version ranges are shown above as reported, not inferred as a patch recommendation.
Sources and related reporting
CVE Program record ↗ · Download tracked evidence as JSON
- https://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt
- http://www.openwall.com/lists/oss-security/2026/04/06/3
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34197
- https://access.redhat.com/security/cve/CVE-2026-34197
- https://bugzilla.redhat.com/show_bug.cgi?id=2455869
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-34197.json
Observed change timeline
History begins when Egret first downloads each source. It is not the complete upstream CVE history.
12 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-12",
"epss": 0.98256,
"percentile": 0.99917
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.98256,
"percentile": 0.99916
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.98256,
"percentile": 0.99916
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.98256,
"percentile": 0.99916
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.98256,
"percentile": 0.99916
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.98256,
"percentile": 0.99916
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.98256,
"percentile": 0.99916
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.98256,
"percentile": 0.99916
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.98256,
"percentile": 0.99916
}03 Nov 2026, 12:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
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}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.98256,
"percentile": 0.99916
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
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"cwes": [
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"CWE-94"
],
"dateAdded": "2026-04-16",
"dueDate": "2026-04-30",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://activemq.apache.org/security-advisories.data/CVE-2026-34197-announcement.txt ; https://nvd.nist.gov/vuln/detail/CVE-2026-34197",
"product": "ActiveMQ",
"requiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
"shortDescription": "Apache ActiveMQ contains an improper input validation vulnerability that allows for code injection.",
"vendorProject": "Apache",
"vulnerabilityName": "Apache ActiveMQ Improper Input Validation Vulnerability"
}