CVE-2026-83550 Red Hat CVE debrief

Who should care

Defenders and administrators of cluster networks using postgres-exporter should assess exposure and take steps to restrict access to the metrics listener. This includes verifying the exposure of the postgres-exporter metrics listener, restricting access to it, and monitoring for potential information disclosure through the exposed debug endpoints. Additionally, reviewing and updating configurations to ensure proper security is crucial. Security teams and

Why it matters

The postgres-exporter flaw exposes debug endpoints, potentially allowing remote attackers to access sensitive data, and defenders should verify exposure and restrict access to the metrics listener.

• Potential information disclosure through exposed debug endpoints.
• Possible denial of service through repeated CPU profiling.
• Verification of exposure and access restrictions is necessary.
• Review and update configurations to ensure proper security.

Technical summary

The postgres-exporter flaw exposes debug endpoints on the unauthenticated metrics listener, potentially allowing remote attackers within the cluster network to access sensitive data. This includes process arguments, goroutine stacks, and database connection strings. The exposure of these endpoints can lead to information disclosure and potentially cause a denial of service through repeated CPU profiling. Defenders should prioritize verifying the exposure of the postgres-exporter metrics listener and restricting access to it, especially in cluster networks. This can be achieved by reviewing and updating configurations to ensure the postgres-exporter is properly secured.

Defensive priority

Defenders should prioritize verifying exposure of the postgres-exporter metrics listener and restricting access to it, especially in cluster networks.

Recommended defensive actions

• Verify exposure of the postgres-exporter metrics listener in your cluster network.
• Restrict access to the metrics listener to prevent unauthorized access.
• Monitor for potential information disclosure through the exposed debug endpoints.
• Review and update configurations to ensure the postgres-exporter is properly secured.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record and source item provide details on the flaw in postgres-exporter, including the exposure of debug endpoints and potential information disclosure. The source item title is 'Postgres-exporter: net/http/pprof exposed on metrics listener.' The CVE Program record and NIST NVD detail page offer additional context on the vulnerability. Supplemental source references may provide further information on affected systems and potential mitigations. However, specific details about affected scope, severity, and vendor guidance should

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.