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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-4799

20
FAUCET Score

CVE-2026-4799 identifies an open redirect vulnerability in Search Guard FLX up to version 4.0.1, where specially crafted requests can redirect users to untrusted URLs. Rated as Medium severity (CVSS 4.3), this issue requires user interaction and can be exploited over the network without authentication, primarily posing a low risk to confidentiality by enabling phishing or other social engineering tactics. There is no evidence of active exploitation, no public exploit code available, and minimal community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.1.0CPE matchmatch criteria
cpe:2.3:a:search-guard:flx:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 6th percentile among its peer group of 26,236 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

docs.search-guard.com / latest/changelog-searchguard-flx-4_1_0
Release Notes
search-guard.com / cve-advisory
Vendor Advisory