Zabbix up to 6.0.44/7.0.23/7.4.7 service insufficiently protected credentials

CVSS Meta Temp Score
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CTI Interest Score
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2.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Zabbix up to 6.0.44/7.0.23/7.4.7. Affected by this vulnerability is an unknown functionality. The manipulation of the argument service results in insufficiently protected credentials. This vulnerability is cataloged as CVE-2026-23927. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Zabbix up to 6.0.44/7.0.23/7.4.7. It has been classified as problematic. Affected is an unknown function. The manipulation of the argument service with an unknown input leads to a insufficiently protected credentials vulnerability. CWE is classifying the issue as CWE-522. The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval. This is going to have an impact on confidentiality. CVE summarizes:

A user able to connect to Agent 2 can inject an Oracle TNS connection string via the 'service' parameter. This can lead to Agent 2 connecting to an attacker-controlled server and leaking Oracle database credentials if they are saved in a named session.

The advisory is shared for download at support.zabbix.com. This vulnerability is traded as CVE-2026-23927 since 01/19/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are needed for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1552.

The vulnerability scanner Nessus provides a plugin with the ID 315209 (Linux Distros Unpatched Vulnerability : CVE-2026-23927), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (315209) and EUVD (EUVD-2026-27528). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 2.7
VulDB Meta Temp Score: 2.7

VulDB Base Score: 2.7
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Insufficiently protected credentials
CWE: CWE-522
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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Nessus ID: 315209
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2026-23927

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/19/2026 CVE reserved
05/06/2026 +106 days Advisory disclosed
05/06/2026 +0 days VulDB entry created
05/19/2026 +13 days VulDB entry last update

Sourcesinfo

Advisory: support.zabbix.com
Status: Confirmed

CVE: CVE-2026-23927 (🔒)
GCVE (CVE): GCVE-0-2026-23927
GCVE (VulDB): GCVE-100-361284
EUVD: 🔒

Entryinfo

Created: 05/06/2026 10:03
Updated: 05/19/2026 02:42
Changes: 05/06/2026 10:03 (64), 05/06/2026 11:43 (1), 05/19/2026 02:42 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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