CVE-2026-30460 daylightstudio CVE debrief

Who should care

Security teams and administrators responsible for Daylight Studio FuelCMS installations should be aware of this vulnerability and take necessary actions to mitigate it. Additionally, operators and platform administrators who manage or use the affected product should also be informed about the potential risks and take steps to verify their exposure. Vulnerability management and security teams should prioritize patching or mitigating this vulnerability due to its high severity and potential impact.

Technical summary

The vulnerability exists in the Blocks module of Daylight Studio FuelCMS v1.5.2. An authenticated attacker can exploit this vulnerability to execute remote code. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. This vulnerability has a high impact due to its ability to allow remote code execution, which can lead to unauthorized access, data breaches, and other malicious activities.

Defensive priority

High priority should be given to patching or mitigating this vulnerability due to its high severity and potential impact. The CVSS score of 8.8 indicates a high level of risk, and defenders should take immediate action to prevent exploitation.

Recommended defensive actions

• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed.
• 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

The CVE record was published on 2026-04-07T16:16:23.593Z and last modified on 2026-07-05T17:17:29.130Z. The NVD entry is currently Modified. The evidence is limited to the provided CVE and NVD information, and further verification is needed to confirm the affected scope and severity. Defenders should verify the existence of affected product deployments and review official advisories for mitigation 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.