Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-11815

Severity CVSS v4.0:
MEDIUM
Type:
CWE-502 Deserialization of Untrusted Dat
Publication date:
10/06/2026
Last modified:
10/06/2026

Description

An attacker who intercepts and tampers with traffic between the client application and the API Gateway server could potentially deserialize arbitrary objects. This vulnerability could lead to broken security expectations or remote code execution.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L CVSS v4.0 Severity and Metrics:

Base Score: 5.30 MEDIUM
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:H/SI:L/SA:L

Attack Vector (AV): Network
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): Low
Integrity (VI): Low
Availability (VA): Low
Confidentiality (SC): High
Integrity (SI): Low
Availability (SA): Low

Base Score 4.0
5.30
Severity 4.0
MEDIUM

References to Advisories, Solutions, and Tools