CVE-2026-6377 (GCVE-0-2026-6377)
Vulnerability from cvelistv5 – Published: 2026-09-07 14:15 – Updated: 2026-09-07 14:15
VLAI
EPSS
VEX
Title
Path Traversal in Next4Biz's CSM (Customer Service Management)
Summary
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Path Traversal.
This issue affects CSM (Customer Service Management): from 6.8.9 through 07092026. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
7.5 (High)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Next4Biz Information Technologies Inc. | CSM (Customer Service Management) |
Affected:
6.8.9 , ≤ 07092026
(custom)
|
guessed |
Date Public
2026-09-07 14:08
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"impacts": [
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"capecId": "CAPEC-126",
"descriptions": [
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
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"confidentialityImpact": "HIGH",
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"lang": "en",
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}
]
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"references": [
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"tags": [
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"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027"
}
],
"source": {
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"defect": [
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"discovery": "UNKNOWN"
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"title": "Path Traversal in Next4Biz\u0027s CSM (Customer Service Management)",
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"cveId": "CVE-2026-6377",
"datePublished": "2026-09-07T14:15:48.553Z",
"dateReserved": "2026-04-15T16:35:43.534Z",
"dateUpdated": "2026-09-07T14:15:48.553Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
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"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2026-6377\",\"sourceIdentifier\":\"iletisim@usom.gov.tr\",\"published\":\"2026-09-07T15:17:31.547\",\"lastModified\":\"2026-09-07T15:17:31.547\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027) vulnerability in Next4Biz Information Technologies Inc. CSM (Customer Service Management) allows Path Traversal.\\n\\nThis issue affects CSM (Customer Service Management): from 6.8.9 through 07092026.\u00a0NOTE: The vendor was contacted early about this disclosure but did not respond in any way.\"}],\"affected\":[{\"source\":\"iletisim@usom.gov.tr\",\"affectedData\":[{\"vendor\":\"Next4Biz Information Technologies Inc.\",\"product\":\"CSM (Customer Service Management)\",\"defaultStatus\":\"unknown\",\"versions\":[{\"version\":\"6.8.9\",\"lessThanOrEqual\":\"07092026\",\"versionType\":\"custom\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"iletisim@usom.gov.tr\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"iletisim@usom.gov.tr\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-22\"}]}],\"references\":[{\"url\":\"https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1027\",\"source\":\"iletisim@usom.gov.tr\"}]}}"
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}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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