What is the CVSS score of CVE-2026-25615?

CVE-2026-25615 has a CVSS 3.1 base score of 7.2 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

Which versions of Blesta are affected by CVE-2026-25615?

Blesta billing and automation platform versions 3.x through 5.x (before 5.13.3) contain a critical object injection vulnerability that could allow attackers to execute arbitrary code or compromise…

How to fix or mitigate CVE-2026-25615?

Within 24 hours: Identify all systems running Blesta 3.x-5.x and document versions; isolate affected systems from production networks if possible and restrict administrative access. Within 7 days: Monitor vendor communications for patch availability; implement network-based compensating controls (WAF rules blocking PHP object injection patterns, input validation enforcement). Within 30 days: Apply patch immediately upon release; conduct forensic review for evidence of exploitation; review and reset billing system credentials.

Blesta CVE-2026-25615

HIGH

Deserialization of Untrusted Data (CWE-502)

2026-02-03 cve@mitre.org

Deserialization Blesta

7.2

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.2 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Feb 03, 2026 - 20:15 nvd

HIGH 7.2

DescriptionCVE.org

Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668.

AnalysisAI

Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668. [CVSS 7.2 HIGH]

Technical ContextAI

Classified as CWE-502 (Deserialization of Untrusted Data). Affects Blesta. Blesta 3.x through 5.x before 5.13.3 allows object injection, aka CORE-5668.