Open redirect vulnerability in Search Guard Kibana Plugin via manipulated requests

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-4799
StatePUBLISHED
Assignerfloragunn
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-31 15:16:21 UTC
Updated2026-04-01 14:24:02 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS: 0.000270000 probability, percentile 0.072410000 (date 2026-04-01)

Problem Types: CWE-601 | CWE-601 CWE-601 URL redirection to untrusted site ('open redirect')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Floragunn Search Guard FLX affected 1.0.0 4.0.1 semver Not specified

References

ReferenceSourceLinkTags
docs.search-guard.com/latest/changelog-searchguard-flx-4_1_0 [email protected] docs.search-guard.com
search-guard.com/cve-advisory [email protected] search-guard.com
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NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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