Blesta up to 5.13.2 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Blesta up to 5.13.2. It has been declared as problematic. Affected is an unknown function. The manipulation results in deserialization. This vulnerability is reported as CVE-2026-25615. The attack can be launched remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Blesta up to 5.13.2. It has been classified as problematic. Affected is some unknown processing. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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

The advisory is shared for download at blesta.com. This vulnerability is traded as CVE-2026-25615 since 02/03/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.13.3 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5171). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 7.2
CNA Vector (MITRE): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Blesta 5.13.3

Timelineinfo

02/03/2026 Advisory disclosed
02/03/2026 +0 days CVE reserved
02/03/2026 +0 days VulDB entry created
02/04/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: blesta.com
Status: Confirmed

CVE: CVE-2026-25615 (🔒)
GCVE (CVE): GCVE-0-2026-25615
GCVE (VulDB): GCVE-100-344112
EUVD: 🔒

Entryinfo

Created: 02/03/2026 21:20
Updated: 02/04/2026 16:23
Changes: 02/03/2026 21:20 (61), 02/04/2026 16:23 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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