Cyber Resilience

CVE-2026-27096

HighRCE

Published: 19 March 2026

Published
19 March 2026
Modified
23 April 2026
KEV Added
—
Patch
—
CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0032 24.0th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-27096 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 24.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2026-27096 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the BuddhaThemes ColorFolio - Freelance Designer WordPress Theme, specifically the colorfolio theme. It enables Object Injection and affects all versions from n/a through 1.3.

The vulnerability has a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating exploitation over the network by unauthenticated attackers with no user interaction required, though high attack complexity is needed. Successful exploitation can result in high impacts to confidentiality, integrity, and availability.

Patchstack published an advisory on the issue, available at https://patchstack.com/database/Wordpress/Theme/colorfolio/vulnerability/wordpress-colorfolio-freelance-designer-wordpress-theme-theme-1-3-deserialization-of-untrusted-data-vulnerability?_s_id=cve, covering the deserialization vulnerability in ColorFolio theme version 1.3.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

Deserialization of Untrusted Data vulnerability in BuddhaThemes ColorFolio - Freelance Designer WordPress Theme colorfolio allows Object Injection.This issue affects ColorFolio - Freelance Designer WordPress Theme: from n/a through <= 1.3.

CWE(s)
CWE-502

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
Why these techniques?

Deserialization/object injection flaw in publicly accessible WordPress theme directly enables unauthenticated remote exploitation of a public-facing web application.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-62368Shared CWE-502
CVE-2025-68903Shared CWE-502
CVE-2025-67911Shared CWE-502
CVE-2025-54014Shared CWE-502
CVE-2026-22505Shared CWE-502
CVE-2025-53078Shared CWE-502
CVE-2026-43633Shared CWE-502
CVE-2025-60039Shared CWE-502
CVE-2026-25429Shared CWE-502
CVE-2025-7697Shared CWE-502

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Timely flaw remediation directly patches the deserialization of untrusted data vulnerability in the ColorFolio WordPress theme, preventing exploitation of CVE-2026-27096.

SI-10 Information Input Validation good match
prevent

Information input validation ensures untrusted data is checked and sanitized before deserialization, comprehensively blocking object injection in the vulnerable theme.

RA-5 Vulnerability Monitoring and Scanning partial match
detect

Vulnerability scanning identifies the presence of the vulnerable ColorFolio theme versions affected by CVE-2026-27096, enabling timely remediation.

References