Search-Guard: Security Vulnerabilities
In Search Guard FLX versions from 3.0.0 up to 4.0.1, there exists an issue which allows users without the necessary privileges to execute some management operations against data streams.
CVSS Score
6.8
EPSS Score
0.0
Published
2026-03-31
In Search Guard FLX versions from 1.0.0 up to 4.0.1, the audit logging feature might log user credentials from users logging into Kibana.
CVSS Score
4.9
EPSS Score
0.0
Published
2026-03-31
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.
CVSS Score
4.3
EPSS Score
0.0
Published
2026-03-31
Search Guard versions before 23.1 had an issue that an administrative user is able to retrieve bcrypt password hashes of other users configured in the internal user database.
CVSS Score
4.9
EPSS Score
0.004
Published
2019-08-23
Search Guard Kibana Plugin versions before 5.6.8-7 and before 6.x.y-12 had an issue that an attacker can redirect the user to a potentially malicious site upon Kibana login.
CVSS Score
6.1
EPSS Score
0.002
Published
2019-08-23
Search Guard Kibana Plugin versions before 5.6.8-7 and before 6.x.y-12 had an issue that an authenticated Kibana user could impersonate as kibanaserver user when providing wrong credentials when all of the following conditions a-c are true: a) Kibana is configured to use Single-Sign-On as authentication method, one of Kerberos, JWT, Proxy, Client certificate. b) The kibanaserver user is configured to use HTTP Basic as the authentication method. c) Search Guard is configured to use an SSO authentication domain and HTTP Basic at the same time
CVSS Score
8.8
EPSS Score
0.002
Published
2019-08-23
Search Guard versions before 24.3 had an issue when Cross Cluster Search (CCS) was enabled, authenticated users can gain read access to data they are not authorized to see.
CVSS Score
6.5
EPSS Score
0.002
Published
2019-08-13
Search Guard versions before 24.3 had an issue when Cross Cluster Search (CCS) was enabled, authenticated users are always authorized on the local cluster ignoring their roles on the remote cluster(s).
CVSS Score
6.5
EPSS Score
0.002
Published
2019-08-13
Search Guard versions before 23.1 had an issue that for aggregations clear text values of anonymised fields were leaked.
CVSS Score
7.5
EPSS Score
0.001
Published
2019-08-13
Search Guard versions before 21.0 had an timing side channel issue when using the internal user database.
CVSS Score
5.9
EPSS Score
0.003
Published
2019-08-13
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