Exploitation evidence
Known exploited · CISA KEV listed
Added 2026-01-22. 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: 2026-02-12. 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
Versa / Concerto
Default status: unknown
- affected: 12.1.2 to ≤ 12.2.0 (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
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": 0.8178,
"percentile": 0.99652
}10 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-10",
"epss": 0.8178,
"percentile": 0.99649
}09 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-09",
"epss": 0.8178,
"percentile": 0.99648
}08 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-08",
"epss": 0.8178,
"percentile": 0.99648
}07 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-07",
"epss": 0.8178,
"percentile": 0.99647
}06 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-06",
"epss": 0.8178,
"percentile": 0.99648
}06 Nov 2026, 06:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-05",
"epss": 0.8178,
"percentile": 0.99647
}04 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-04",
"epss": 0.8178,
"percentile": 0.99647
}03 Nov 2026, 18:20 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-03",
"epss": 0.8178,
"percentile": 0.99646
}03 Nov 2026, 18:20 Jerusalem · CVE Program record changed
Stored CNA snapshot at this observation.
{
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"id": "CVE-2025-34026",
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"source": {
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"title": "Versa Concerto Actuator Authentication Bypass Information Leak",
"x_generator": {
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"cveMetadata": {
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"datePublished": "2025-05-21T22:04:58.832Z",
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}03 Nov 2026, 02:22 Jerusalem · EPSS observation updated
Stored EPSS snapshot at this observation.
{
"date": "2026-11-02",
"epss": 0.8178,
"percentile": 0.99645
}03 Nov 2026, 02:22 Jerusalem · CISA KEV status changed
Stored KEV snapshot at this observation.
{
"cveID": "CVE-2025-34026",
"cwes": [
"CWE-288"
],
"dateAdded": "2026-01-22",
"dueDate": "2026-02-12",
"forensicTriage": "No",
"knownRansomwareCampaignUse": "Unknown",
"notes": "https://security-portal.versa-networks.com/emailbulletins/6830f94328defa375486ff2e ; https://nvd.nist.gov/vuln/detail/CVE-2025-34026",
"product": "Concerto",
"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": "Versa Concerto SD-WAN orchestration platform contains an improper authentication vulnerability in the Traefik reverse proxy configuration, allowing at attacker to access administrative endpoints. The internal Actuator endpoint can be leveraged for access to heap dumps and trace logs.",
"vendorProject": "Versa",
"vulnerabilityName": "Versa Concerto Improper Authentication Vulnerability"
}