CVE-2026-15721 Vulnerability Analysis & Exploit Details

CVE-2026-15721
Vulnerability Scoring

9.8
/10
Critical Risk

As a catastrophic security flaw, CVE-2026-15721 has severe implications, demanding immediate intervention.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-15721 Details

Status: Received on 04 Aug 2026, 10:19 UTC

Published on: 04 Aug 2026, 10:19 UTC

CVSS Release: version 3

CVSS3 Source

iletisim@usom.gov.tr

CVSS3 Type

Primary

CVSS3 Vector

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

CVE-2026-15721 Vulnerability Summary

CVE-2026-15721: Cleartext storage of sensitive information vulnerability in Bilin Software and Informatics Consultancy Inc. HUMANIST Digital Human Resources allows SQL Injection. This issue affects HUMANIST Digital Human Resources: from 26.0 before 26.1.

Assessing the Risk of CVE-2026-15721

Access Complexity Graph

The exploitability of CVE-2026-15721 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-15721

With low attack complexity and no required privileges, CVE-2026-15721 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-15721, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-15721, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-15721 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-15721 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-15721 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-15721 References

External References

CWE Common Weakness Enumeration

CWE-312

CAPEC Common Attack Pattern Enumeration and Classification

  • Retrieve Embedded Sensitive Data CAPEC-37 An attacker examines a target system to find sensitive data that has been embedded within it. This information can reveal confidential contents, such as account numbers or individual keys/credentials that can be used as an intermediate step in a larger attack.

Protect Your Infrastructure against CVE-2026-15721: Combat Critical CVE Threats

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