CVE-2025-10855

High

Published: 22 January 2026

Published

22 January 2026

Modified

15 April 2026

KEV Added

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Patch

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CVSS Score 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Score 0.0002 4.2th percentile

Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-10855 is a high-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Gov (inferred from references). Its CVSS base score is 7.5 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 4.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense at a Glance

What attackers do: exploitation maps to Exploit Public-Facing Application (T1190).

Threat & Defense Details

Likely Mitigating ControlsAI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

AC-24 Access Control Decisions

addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

AC-3 Access Enforcement

addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

Direct remote exploitation of public-facing app via authz bypass (CWE-639) with no auth required.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

NVD Description

Authorization Bypass Through User-Controlled Key vulnerability in Solvera Software Services Trade Inc. Teknoera allows Exploitation of Trusted Identifiers.This issue affects Teknoera: through 01102025.

Deeper analysisAI

CVE-2025-10855 is an Authorization Bypass Through User-Controlled Key vulnerability (CWE-639) in Teknoera from Solvera Software Services Trade Inc. The flaw allows Exploitation of Trusted Identifiers and affects Teknoera versions through 01102025. It has a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N), indicating high severity due to network accessibility, low attack complexity, and no prerequisite privileges or user interaction.

Remote attackers require no authentication to exploit this vulnerability over the network. Successful exploitation bypasses authorization controls via user-controlled keys, resulting in high-impact unauthorized access to confidential data without disrupting integrity or availability.

Mitigation details are available in the advisory published by USOM at https://www.usom.gov.tr/bildirim/tr-26-0003. The CVE was published on 2026-01-22T13:16:03.340.