CVE-2025-34277

critical

Nagios Log Server versions prior to 2024R1.3.1 contain a code injection vulnerability where malformed dashboard ID values are not properly validated before bei…

Vendor / product: Nagios — log server

Nagios Log Server versions prior to 2024R1.3.1 contain a code injection vulnerability where malformed dashboard ID values are not properly validated before being forwarded to an internal API. An attacker able to supply crafted dashboard ID values can cause the system to execute attacker-controlled data, leading to arbitrary code execution in the context of the Log Server process.

CVSS

9.8

9.8 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (nvd@nist.gov)

Timeline (UTC)

Published: 2025-10-30 22:15

Modified: 2026-10-07 21:10

NVD status: Analyzed

Last synced 2 days ago

Verified against the source API 2026-10-27 07:06 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

nagios / log_server <2024, 2024

Weakness classification (CWE)

CWE-94

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://www.nagios.com/changelog/#log-server-2024R1 disclosure@vulncheck.com
https://www.nagios.com/products/security/#log-server disclosure@vulncheck.com
https://www.vulncheck.com/advisories/nagios-log-server-rce-via-malformed-dashboard-id disclosure@vulncheck.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗

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CVE-2025-34277

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Weakness classification (CWE)

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References

Data sources

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