CVE-2026-12384 (GCVE-0-2026-12384)
Vulnerability from cvelistv5 – Published: 2026-09-18 07:48 – Updated: 2026-09-18 07:48
VLAI
EPSS
VEX
Title
Broken Access Control in TECHIN2B Application
Summary
Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse.
This issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.
NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
Severity
8.8 (High)
CWE
- CWE-639 - Authorization bypass through User-Controlled key
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://siberguvenlik.gov.tr/guvenlik-bildirimler… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| TECHIN2B | TECHIN2B Application |
Affected:
V1.0.7676.13 , ≤ 18092026
(custom)
|
guessed |
Date Public
2026-09-18 07:45
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "TECHIN2B Application",
"vendor": "TECHIN2B",
"versions": [
{
"lessThanOrEqual": "18092026",
"status": "affected",
"version": "V1.0.7676.13",
"versionType": "custom"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Muhammet Emirhan S\u00dcMER"
}
],
"datePublic": "2026-09-18T07:45:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse.\u003cp\u003eThis issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.\n\u003cspan\u003eNOTE: The vendor was contacted early about this disclosure but did not respond in any way.\u003c/span\u003e\n\n\u003c/p\u003e"
}
],
"value": "Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse.\n\nThis issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.\nNOTE: The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"impacts": [
{
"capecId": "CAPEC-122",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-122 Privilege Abuse"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-639",
"description": "CWE-639 Authorization bypass through User-Controlled key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-18T07:48:32.996Z",
"orgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
"shortName": "TR-CERT"
},
"references": [
{
"tags": [
"government-resource"
],
"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1014"
}
],
"source": {
"advisory": "TR-26-1133",
"defect": [
"TR-26-1133"
],
"discovery": "UNKNOWN"
},
"title": "Broken Access Control in TECHIN2B Application",
"x_generator": {
"engine": "Vulnogram 1.0.5"
}
}
},
"cveMetadata": {
"assignerOrgId": "ca940d4e-fea4-4aa2-9a58-591a58b1ce21",
"assignerShortName": "TR-CERT",
"cveId": "CVE-2026-12384",
"datePublished": "2026-09-18T07:48:32.996Z",
"dateReserved": "2026-06-16T10:44:20.111Z",
"dateUpdated": "2026-09-18T07:48:32.996Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "unknown",
"product": "TECHIN2B Application",
"vendor": "TECHIN2B",
"versions": [
{
"lessThanOrEqual": "18092026",
"status": "affected",
"version": "V1.0.7676.13",
"versionType": "custom"
}
]
}
],
"source": "iletisim@usom.gov.tr"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Authorization bypass through User-Controlled key vulnerability in TECHIN2B TECHIN2B Application allows Privilege Abuse.\n\nThis issue affects TECHIN2B Application: from V1.0.7676.13 through 18092026.\nNOTE: The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"id": "CVE-2026-12384",
"lastModified": "2026-09-18T08:16:58.813",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "iletisim@usom.gov.tr",
"type": "Primary"
}
]
},
"published": "2026-09-18T08:16:58.813",
"references": [
{
"source": "iletisim@usom.gov.tr",
"url": "https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1014"
}
],
"sourceIdentifier": "iletisim@usom.gov.tr",
"vulnStatus": "Received",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-639"
}
],
"source": "iletisim@usom.gov.tr",
"type": "Primary"
}
]
}
}
}
}
Loading…
Loading…
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.
Loading…
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…