CVE-2026-23926
Last modified
CVE-2026-23926 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Zabbix | Zabbix | >= 7.0.0, <= 7.0.23; >= 7.4.0, <= 7.4.7 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-23926?
How severe is CVE-2026-23926?
How do I fix CVE-2026-23926?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-23919For performance reasons Zabbix Server/Proxy reuses JavaScrip…7.1
- CVE-2026-23920Host and event action script input is validated with a regex…7.7
- CVE-2026-23921A low privilege Zabbix user with API access can exploit a bl…8.7
- CVE-2026-23923An unauthenticated attacker can exploit the Frontend 'valida…6.9
- CVE-2026-23924Zabbix Agent 2 Docker plugin does not properly sanitize the …6.1
- CVE-2026-23925An authenticated Zabbix user (User role) with template/host …8.1
- CVE-2026-23927A user able to connect to Agent 2 can inject an Oracle TNS c…5.1
- CVE-2026-23928The Item history widget (in Zabbix 7.0+) or the Plain text w…7.3
- CVE-2026-2393A Server-Side Request Forgery (SSRF) vulnerability exists in…7.1
- CVE-2026-23939Improper Limitation of a Pathname to a Restricted Directory …7.5
- CVE-2026-2394Buffer Over-read vulnerability in RTI Connext Professional (…6.5
- CVE-2026-23940Uncontrolled Resource Consumption vulnerability in hexpm hex…6.5
Are you affected by CVE-2026-23926?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST