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94 vulnerabilities found for by Zabbix
CVE-2026-59781 (GCVE-0-2026-59781)
Vulnerability from cvelistv5
Published
2026-08-18 12:21
Modified
2026-08-19 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-427 - Uncontrolled Search Path Element
Summary
When Zabbix Agent was installed on Windows into a custom installation directory, the installer did not verify whether the selected directory had secure access permissions. If the target directory allowed unauthorized users to modify its contents, an attacker could place a malicious DLL that could later be loaded by the application, resulting in DLL sideloading. The installer has been hardened to detect potentially unsafe installation directories and now requires explicit user confirmation before proceeding with installation in such locations. This reduces the risk of accidental installation into directories with inappropriate permissions while preserving compatibility with existing deployment scenarios.
References
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CVE-2026-23938 (GCVE-0-2026-23938)
Vulnerability from cvelistv5
Published
2026-08-18 12:20
Modified
2026-08-18 13:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-248 - Uncaught Exception
Summary
An authenticated administrator is able to crash Zabbix server or proxy by creating specifically crafted preprocessing/script item JavaScript scripts, leading to potential denial of service.
References
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CVE-2026-23937 (GCVE-0-2026-23937)
Vulnerability from cvelistv5
Published
2026-08-18 12:20
Modified
2026-08-18 13:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-203 - Observable Discrepancy
Summary
The Zabbix API host.get action can be exploited by authenticated users to extract a host's PSK key leading to potential loss of data integrity.
References
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CVE-2026-23935 (GCVE-0-2026-23935)
Vulnerability from cvelistv5
Published
2026-08-18 12:19
Modified
2026-08-18 13:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-125 - Out-of-bounds Read
Summary
A Zabbix administrator is able to read out of bounds memory by utilizing a flaw in script item/preprocessing (JavaScript) HttpRequest logic, leading to potential confidentiality loss.
References
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CVE-2026-23934 (GCVE-0-2026-23934)
Vulnerability from cvelistv5
Published
2026-08-18 12:18
Modified
2026-08-18 13:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-405 - Asymmetric Resource Consumption (Amplification)
Summary
An authenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend validate.api.exists action, leading to potential denial of service.
References
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CVE-2026-23933 (GCVE-0-2026-23933)
Vulnerability from cvelistv5
Published
2026-08-18 12:18
Modified
2026-08-19 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-259 - Use of Hard-coded Password
Summary
In Zabbix 7.4 the cryptographic key used for signing Frontend sessions has been erroneously written to the database seed. Currently the only known exploitation scenario is for deployments that utilize both - SAML authentication and guest users. In such cases the key can be used to forge valid session cookies, potentially leading to unauthorized access. For other Zabbix deployments this does not have a known impact.
References
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CVE-2026-23931 (GCVE-0-2026-23931)
Vulnerability from cvelistv5
Published
2026-08-18 12:17
Modified
2026-08-18 13:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-203 - Observable Discrepancy
Summary
The frontend validatate.api.exists action can be exploited by authenticated users to extract plaintext user macro values leading to potential loss of confidentiality.
References
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CVE-2026-23930 (GCVE-0-2026-23930)
Vulnerability from cvelistv5
Published
2026-08-18 12:17
Modified
2026-08-18 13:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-405 - Asymmetric Resource Consumption (Amplification)
Summary
An unauthenticated user is able to cause disproportionate CPU load on the Frontend webserver by sending specifically crafted requests to the Frontend popup.testtriggerexpr action, leading to potential denial of service.
References
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CVE-2026-23929 (GCVE-0-2026-23929)
Vulnerability from cvelistv5
Published
2026-08-18 12:16
Modified
2026-08-19 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ("Prototype Pollution")
Summary
Prototype pollution vulnerability in searchParamsToObject() is leading to a persistent XSS in Maps. URL parameter processing was not filtering dangerous properties like __proto__, combined with jQuery's unsafe element creation that traversed the prototype chain.
References
Impacted products
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CVE-2026-1199 (GCVE-0-2026-1199)
Vulnerability from cvelistv5
Published
2026-08-18 12:15
Modified
2026-08-18 13:35
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
Summary
Zabbix API and Frontend login lockout mechanism has a flaw where several unsuccessful login requests are not properly counted towards the block counter if sent simultaneously, potentially allowing for more password guesses than intended.
References
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CVE-2026-23922 (GCVE-0-2026-23922)
Vulnerability from cvelistv5
Published
2026-08-18 12:13
Modified
2026-08-18 16:02
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-522 - Insufficiently Protected Credentials
Summary
The email media OAuth field 'Client secret' cannot be read after saving, but a Super Admin can leak it by setting a malicious 'Token endpoint'. Changes were made to reset the client secret upon changing the token endpoint.
References
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CVE-2026-23928 (GCVE-0-2026-23928)
Vulnerability from cvelistv5
Published
2026-05-06 07:00
Modified
2026-05-06 12:59
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
The Item history widget (in Zabbix 7.0+) or the Plain text widget (in Zabbix 6.0) can execute injected JavaScript when HTML display is enabled. This can allow an attacker to perform unauthorized actions depending on which user opens a dashboard containing these widgets. The malicious JavaScript would have to come from a monitored host controlled by the attacker. Note: the Item history widget is a replacement for the Plain text widget since Zabbix 7.0.
References
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CVE-2026-23927 (GCVE-0-2026-23927)
Vulnerability from cvelistv5
Published
2026-05-06 06:59
Modified
2026-05-06 13:00
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-522 - Insufficiently Protected Credentials
Summary
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.
References
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CVE-2026-23926 (GCVE-0-2026-23926)
Vulnerability from cvelistv5
Published
2026-05-06 06:58
Modified
2026-05-07 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.
References
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CVE-2026-23924 (GCVE-0-2026-23924)
Vulnerability from cvelistv5
Published
2026-03-24 18:30
Modified
2026-03-25 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-88 - Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Summary
Zabbix Agent 2 Docker plugin does not properly sanitize the 'docker.container_info' parameters when forwarding them to the Docker daemon. An attacker capable of invoking Agent 2 can read arbitrary files from running Docker containers by injecting them via the Docker archive API.
References
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CVE-2026-23923 (GCVE-0-2026-23923)
Vulnerability from cvelistv5
Published
2026-03-24 18:29
Modified
2026-03-25 19:25
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-470 - Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Summary
An unauthenticated attacker can exploit the Frontend 'validate' action to blindly instantiate arbitrary PHP classes. The impact depends on environment setup but appears limited at this time.
References
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CVE-2026-23921 (GCVE-0-2026-23921)
Vulnerability from cvelistv5
Published
2026-03-24 18:28
Modified
2026-03-26 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Summary
A low privilege Zabbix user with API access can exploit a blind SQL injection vulnerability in include/classes/api/CApiService.php to execute arbitrary SQL selects via the sortfield parameter. Although query results are not returned directly, an attacker can exfiltrate arbitrary database data through time-based techniques, potentially leading to session identifier disclosure and administrator account compromise.
References
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CVE-2026-23920 (GCVE-0-2026-23920)
Vulnerability from cvelistv5
Published
2026-03-24 18:27
Modified
2026-03-26 03:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Summary
Host and event action script input is validated with a regex (set by the administrator), but the validation runs in multiline mode. If ^ and $ anchors are used in user input validation, an injected newline lets authenticated users bypass the check and inject shell commands.
References
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CVE-2026-23919 (GCVE-0-2026-23919)
Vulnerability from cvelistv5
Published
2026-03-24 18:26
Modified
2026-04-22 07:06
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-488 - Exposure of Data Element to Wrong Session
Summary
For performance reasons Zabbix Server/Proxy reuses JavaScript (Duktape) contexts (used in script items, JavaScript reprocessing, Webhooks). This can lead to confidentiality loss where a regular (non-super) Zabbix administrator leaks data for hosts they do not have access to. A fix has been released that makes the built in Zabbix JavaScript objects read-only, but please be advised that usage of global JavaScript variables is not recommended because their content could be leaked. More information <a href='https://www.zabbix.com/documentation/7.4/en/manual/installation/known_issues#preprocessing-global-variables-are-unsafe'>in Zabbix documentation</a>.
References
Impacted products
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CVE-2026-23925 (GCVE-0-2026-23925)
Vulnerability from cvelistv5
Published
2026-03-06 08:24
Modified
2026-03-09 20:54
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
An authenticated Zabbix user (User role) with template/host write permissions is able to create objects via the configuration.import API. This can lead to confidentiality loss by creating unauthorized hosts. Note that the User role is normally not sufficient to create and edit templates/hosts even with write permissions.
References
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CVE-2025-49643 (GCVE-0-2025-49643)
Vulnerability from cvelistv5
Published
2025-12-01 13:05
Modified
2025-12-01 14:34
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-405 - Asymmetric Resource Consumption (Amplification)
Summary
An authenticated Zabbix user (including Guest) is able to cause disproportionate CPU load on the webserver by sending specially crafted parameters to /imgstore.php, leading to potential denial of service.
References
Impacted products
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CVE-2025-49642 (GCVE-0-2025-49642)
Vulnerability from cvelistv5
Published
2025-12-01 13:03
Modified
2025-12-01 14:36
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-426 - Untrusted Search Path
Summary
Library loading on AIX Zabbix Agent builds can be hijacked by local users with write access to the /home/cecuser directory.
References
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CVE-2025-27232 (GCVE-0-2025-27232)
Vulnerability from cvelistv5
Published
2025-12-01 12:55
Modified
2025-12-01 14:38
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-918 - Server-Side Request Forgery (SSRF)
Summary
An authenticated Zabbix Super Admin can exploit the oauth.authorize action to read arbitrary files from the webserver leading to potential confidentiality loss.
References
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CVE-2025-49641 (GCVE-0-2025-49641)
Vulnerability from cvelistv5
Published
2025-10-03 11:29
Modified
2025-10-03 13:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
A regular Zabbix user with no permission to the Monitoring -> Problems view is still able to call the problem.view.refresh action and therefore still retrieve a list of active problems.
References
Impacted products
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CVE-2025-27237 (GCVE-0-2025-27237)
Vulnerability from cvelistv5
Published
2025-10-03 11:28
Modified
2026-02-26 17:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-427 - Uncontrolled Search Path Element
Summary
In Zabbix Agent and Agent 2 on Windows, the OpenSSL configuration file is loaded from a path writable by low-privileged users, allowing malicious modification and potential local privilege escalation by injecting a DLL.
References
Impacted products
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CVE-2025-27236 (GCVE-0-2025-27236)
Vulnerability from cvelistv5
Published
2025-10-03 11:28
Modified
2025-10-03 13:52
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-863 - Incorrect Authorization
Summary
A regular Zabbix user can search other users in their user group via Zabbix API by select fields the user does not have access to view. This allows data-mining some field values the user does not have access to.
References
Impacted products
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CVE-2025-27231 (GCVE-0-2025-27231)
Vulnerability from cvelistv5
Published
2025-10-03 11:25
Modified
2025-10-03 13:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-522 - Insufficiently Protected Credentials
Summary
The LDAP 'Bind password' value cannot be read after saving, but a Super Admin account can leak it by changing LDAP 'Host' to a rogue LDAP server. To mitigate this, the 'Bind password' value is now reset on 'Host' change.
References
Impacted products
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CVE-2025-27240 (GCVE-0-2025-27240)
Vulnerability from cvelistv5
Published
2025-09-12 10:33
Modified
2026-02-26 17:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Summary
A Zabbix adminitrator can inject arbitrary SQL during the autoremoval of hosts by inserting malicious SQL in the 'Visible name' field.
References
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CVE-2025-27238 (GCVE-0-2025-27238)
Vulnerability from cvelistv5
Published
2025-09-12 10:33
Modified
2025-09-15 18:48
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- :
Summary
Due to a bug in Zabbix API, the hostprototype.get method lists all host prototypes to users that do not have any user groups assigned to them.
References
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CVE-2025-27233 (GCVE-0-2025-27233)
Vulnerability from cvelistv5
Published
2025-09-12 10:32
Modified
2025-09-12 11:58
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')
Summary
Zabbix Agent 2 smartctl plugin does not properly sanitize smart.disk.get parameters, allowing an attacker to inject unexpected arguments into the smartctl command. This can be used to leak the NTLMv2 hash from a Windows system.
References
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