CVE-2026-4799
MEDIUMCVSS 4.3/10EPSS 0.18%
Last modified
CVE-2026-4799 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.. EPSS estimates a 0.18% chance of exploitation in the next 30 days.
Description
In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Search-Guard | Flx | < 4.1.0 |
References
- https://search-guard.com/cve-advisory/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-4799?
In Search Guard FLX up to version 4.0.1, it is possible to use specially crafted requests to redirect the user to an untrusted URL.
How severe is CVE-2026-4799?
CVE-2026-4799 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4799?
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
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
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Are you affected by CVE-2026-4799?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST