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CVE-2025-28059

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-18 · updated 2026-06-17
• Weakness: CWE-613

Description

An access control vulnerability in Nagios Network Analyzer 2024R1.0.3 allows deleted users to retain access to system resources due to improper session invalidation and stale token handling. When an administrator deletes a user account, the backend fails to terminate active sessions and revoke associated API tokens, enabling unauthorized access to restricted functions.

Affected products

• Nagios Network Analyzer: 2024-r1.0.3

References

• https://github.com/aakashtyal/Residual-Data-Access-Post-User-Deletion-in-Nagios-Network-Analyzer-Version-2024R1
• https://www.nagios.com/changelog/#network-analyze

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