CVE-2025-5416Network attack vector

Authenticated server information disclosure via serverinfo response

Published Jun 20, 2025 · Updated Nov 21, 2025

Information disclosure in Red Hat build of Keycloak before 26.2.10 allows remote authenticated users to read internal server details. The Admin Console automatically requests /admin/serverinfo, and affected builds return system, CPU, and memory fields without the required administrative authorization. Any authenticated realm account can capture the response through browser developer tools or an HTTP proxy; no data modification or service interruption is reported.

CVSS severity2.7
Low
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Red Hat build of Keycloak before 26.2.10 allows remote authenticated users to read internal server details. The Admin Console automatically requests /admin/serverinfo, and affected builds return system, CPU, and memory fields without the required administrative authorization. Any authenticated realm account can capture the response through browser developer tools or an HTTP proxy; no data modification or service interruption is reported.

The record

CVE
CVE-2025-5416
Published
Jun 20, 2025
Updated
Nov 21, 2025
Vendor
389 Directory Server
Product
Red Hat build of Keycloak
Classifications
CWE-497, T1082
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 20, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 21, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected versions are unavailable in this record. Check the vendor advisory for version and patch details.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

389 Directory Server · Red Hat build of KeycloakAffected versions are unavailable in this record.

Published CVSS scores

2.7Red HatCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-497Exposure of Sensitive System Information to an Unauthorized Control Sphere
T1082System Information Discovery

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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