[HIGH] CVE-2025-40897 — CVSS 8.1 (April 15, 2026)

A HIGH-severity vulnerability identified as CVE-2025-40897 has been published on April 15, 2026 with a CVSS base score of 8.1. This security advisory provides a detailed breakdown of the vulnerability, its potential impact, weakness classification, and actionable steps to protect your systems.

Vulnerability Details

CVE ID: CVE-2025-40897
Severity: HIGH
CVSS Score: 8.1
Published: April 15, 2026
Weakness (CWE): CWE-863

Technical Description

An access control vulnerability was discovered in the Threat Intelligence functionality due to a specific access restriction not being properly enforced for users with view-only privileges. An authenticated user with view-only privileges for the Threat Intelligence functionality can perform administrative actions on it, altering the rules configuration, and/or affecting their availability.

Potential Impact

If exploited, this high-severity vulnerability could allow an attacker to tamper with system integrity, cause a denial of service. Organizations running affected software should treat this as a priority remediation item.

Recommended Action

No official patch is available yet. Until one is released:

1. Monitor the official NVD page and vendor channels for patch announcements.
2. Restrict access to the affected system or service where possible.
3. Apply network-level mitigations such as firewall rules or WAF policies.
4. Enable logging and alerting for anomalous activity related to this vulnerability.
5. Review your incident response plan in case of active exploitation.

View full details on NVD →

References

• Reference 1

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• [HIGH] CVE-2026-25654 — CVSS 8.8 (April 14, 2026) — HIGH / CVSS 8.8