CVE-2026-6001: ABIS BAPSİS Authorization Bypass Exposes Trusted Identifiers
The National Vulnerability Database has disclosed CVE-2026-6001, a critical authorization bypass vulnerability affecting ABIS Technology Ltd. Co. BAPSİS. This flaw, rated with a CVSS score of 8.8 (High), allows attackers to exploit trusted identifiers due to a user-controlled key vulnerability. This isn’t just a theoretical bug; it’s a direct path for unauthorized access.
Specifically, the issue impacts BAPSİS versions prior to v.202604152042. The core problem lies in CWE-639, ‘Authorization Bypass Through User-Controlled Key,’ which attackers can leverage to impersonate users or gain elevated privileges. This means any system relying on BAPSİS for authentication or authorization is at risk of complete compromise, leading to high impacts on confidentiality, integrity, and availability.
Defenders need to treat this as an immediate threat. Attackers are constantly looking for high-severity authorization bypasses because they offer a direct route to sensitive data and system control, often without requiring complex exploits. This vulnerability is a golden ticket for anyone looking to subvert identity and access controls.
What This Means For You
- If your organization uses ABIS Technology Ltd. Co. BAPSİS, check your version immediately. Patch to v.202604152042 or later without delay. Prioritize this fix, as an authorization bypass is a CISO's nightmare — it means your access controls are fundamentally broken.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-6001: ABIS BAPSİS Authorization Bypass via User-Controlled Key
title: CVE-2026-6001: ABIS BAPSİS Authorization Bypass via User-Controlled Key
id: scw-2026-05-12-ai-1
status: experimental
level: high
description: |
This rule detects attempts to exploit CVE-2026-6001 by targeting the specific API endpoint '/BAPSIS/api/v1/users/me/trusted_identifiers' using a PUT request. The presence of a 'key=' parameter in the query string is indicative of the user-controlled key vulnerability, allowing for authorization bypass and potential exposure of trusted identifiers.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6001/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/BAPSIS/api/v1/users/me/trusted_identifiers'
cs-method:
- 'PUT'
sc-status:
- '200'
cs-uri-query|contains:
- 'key='
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6001 | Auth Bypass | ABIS Technology Ltd. Co. BAPSİS |
| CVE-2026-6001 | Auth Bypass | BAPSİS before v.202604152042 |
| CVE-2026-6001 | Auth Bypass | User-Controlled key vulnerability |
| CVE-2026-6001 | Auth Bypass | Exploitation of Trusted Identifiers |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 13:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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