Information Disclosure Vulnerability in Viday by Incibe
CVE-2025-40646

5.9MEDIUM

Key Information:

Vendor

Viday

Status
Viday
Vendor
CVE Published:
2 October 2025

What is CVE-2025-40646?

The Viday application has a vulnerability that allows attackers to intercept HTTP requests, potentially exposing sensitive information contained in JSON Web Tokens (JWT). By leveraging this flaw, unauthorized individuals may gain access to customer data, which poses significant privacy and security risks. Organizations using Viday must implement precautionary measures to secure their applications and protect user data from unauthorized access.

Affected Version(s)

ViDay all versions

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multip...

CVSS V4

Score:
5.9
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Carolina GĂłmez Uriarte
Gema de la Fuente Romero
JSON
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CVE-2025-40646 : Information Disclosure Vulnerability in Viday by Incibe