CVE-2026-61454 getgrav CVE debrief

Who should care

Users of Grav Admin2 plugin versions before 2.0.4 should update to the latest version to prevent information disclosure. Affected operators, platforms, vulnerability-management, and security teams should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Technical summary

The Grav Admin2 plugin embeds a global JavaScript variable window.__GRAV_CONFIG__ in the Admin2 SPA bootstrap page, disclosing server URL, API prefix, admin base path, runtime environment type, and exact Grav and Admin2 version numbers. This information disclosure vulnerability has a high CVSS score of 8.7, indicating high severity. Affected operators and security teams should review official advisories for specific deployment validation and mitigation strategies. Evidence is limited; defenders should monitor primary official records and vendor remediation guidance, and perform verification tasks to confirm affected scope and severity.

Defensive priority

High priority due to high CVSS score of 8.7 and potential for version-specific exploits

Recommended defensive actions

• Update Grav Admin2 plugin to version 2.0.4 or later
• Review and restrict access to /grav/admin and its subroutes
• Monitor for suspicious activity and version-specific exploits
• 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
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

Evidence is limited; primary official records and vendor remediation should be monitored. Additional evidence gathering and verification tasks are required to confirm affected scope and severity. Defenders should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

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.