CVE-2026-77142 in Industry Directory
Summary
by MITRE • 08/25/2026
The frontend company self-service editing feature relies on a template-level visibility flag to hide the edit form for company records a visitor does not own, but the corresponding write operation does not repeat this ownership check on the server side. As a result, a visitor who knows the identifier of a company record from the public directory can submit a modified update request for that record directly and overwrite its data, without the application ever confirming that the visitor owns it.
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Analysis
by VulDB Data Team • 08/25/2026
The vulnerability described constitutes an Insecure Direct Object Reference (IDOR), specifically categorized under CWE-639 in the Common Weakness Enumeration database. This flaw arises from a fundamental architectural inconsistency between client-side enforcement and server-side validation logic within the company self-service editing feature. The application correctly implements visibility controls on the frontend by utilizing a template-level flag to hide the edit form for records that do not belong to the currently authenticated visitor. However, this security control is purely cosmetic and serves only as a user experience enhancement rather than a genuine access restriction mechanism. By failing to replicate these ownership checks during the server-side processing of write operations, the system exposes critical data integrity risks where any actor with knowledge of valid object identifiers can manipulate resources they do not own.
From an operational perspective, this vulnerability allows for unauthorized modification of company records through direct manipulation of HTTP requests. An attacker who has identified a target company record via public directories or other means can craft and submit a modified update request directly to the backend API endpoint associated with the editing feature. Since the server does not verify that the authenticated user initiating the request is the legitimate owner of the specified resource, it accepts and processes the modification without question. This leads to data integrity violations where sensitive company information such as contact details, financial records, or operational metadata can be overwritten by malicious actors. The impact extends beyond simple defacement; depending on the nature of the editable fields, this could facilitate business disruption, reputational damage, or serve as a stepping stone for further attacks if the compromised data is used to impersonate legitimate entities in subsequent interactions.
This type of vulnerability aligns with several tactics within the MITRE ATT&CK framework, particularly those related to Account Manipulation and Data Exfiltration depending on the specific outcome desired by the attacker. It exemplifies a failure in proper authorization checks where the application relies on implicit trust of client-side state rather than explicit server-side verification. The root cause is a lack of robust object-level access control policies that enforce strict mapping between user identities and resource ownership during all data modification operations. Such oversights are common in applications developed with rapid iteration cycles where frontend convenience features outpace backend security hardening efforts, highlighting the critical need for defense-in-depth strategies that assume client-side controls can be bypassed by determined adversaries.
To mitigate this vulnerability, immediate remediation steps must focus on implementing rigorous server-side authorization checks for all write operations involving company records. The application logic should explicitly verify that the authenticated user associated with the current session holds ownership rights over the specific resource identified in the request payload before processing any updates. This verification process should rely on secure database queries that join user identity data with record ownership metadata, ensuring that only authorized users can modify their own data. Additionally, developers should adopt a security-first mindset where all access controls are enforced exclusively at the server level, treating frontend visibility flags as optional UI enhancements rather than primary security boundaries. Implementing comprehensive logging and monitoring for unusual patterns of resource modification requests can also aid in detecting potential exploitation attempts while longer-term architectural improvements are deployed to prevent similar flaws across other modules within the application ecosystem.