CVE-2026-23935
MEDIUMCVSS 4.9/10EPSS 0.18%
Last modified
CVE-2026-23935 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. 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.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zabbix | Zabbix | >= 7.0.0, < 7.0.28 |
| Zabbix | Zabbix | >= 7.4.0, < 7.4.12 |
References
- https://support.zabbix.com/browse/ZBX-28073Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-23935?
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.
How severe is CVE-2026-23935?
CVE-2026-23935 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23935?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
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.
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Are you affected by CVE-2026-23935?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST