CVE-2026-12859

Status: DeferredMedium (6.5)—

Missing Authorization vulnerability in Caz Informatics Services Trade Inc. Advancity ALMS Cloud allows Accessing Functionality Not Properly Constrained by ACLs.

This issue affects Advancity ALMS Cloud: through 2026-10-08. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CVSS

Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base score: 6.5

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.20%
Percentile among all scored CVEs: 10
Score date: 10/9/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1210 Exploitation of Remote Serviceslateral movement75 %
Secondary impactT1005 Data from Local Systemcollection65 %

AV:N con PR:L indica servicio remoto que requiere autenticación previa (T1210). CWE-862 (falta de autorización/ACL) permite acceso a datos confidenciales sin privilegios correctos (T1078 + T1005). Confianza moderada por falta de detalles técnicos.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

Vulnerability Scanning Threat Intelligence Program Privileged Account Management Network Segmentation Disable or Remove Feature or Program Application Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

CAZ Informatics Services Trade INC — Advancity Alms Cloud^AI

CWEs

CWE-862

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-1276

Raw JSON (NVD)

Show

{
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  "metrics": {
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          "role": "CISA Coordinator",
          "options": [
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            },
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              "automatable": "no"
            },
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          "version": "2.0.3",
          "timestamp": "2026-10-08T19:14:33.586556Z"
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 2.8
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        {
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  "lastModified": "2026-10-08T20:17:36.100",
  "sourceIdentifier": "iletisim@usom.gov.tr"
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