Cyber Resilience

CVE-2025-13826

High

Published: 21 April 2026

Published
21 April 2026
Modified
19 May 2026
KEV Added
Patch
CVSS Score v4 8.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:U/V:D/RE:L/U:X
EPSS Score 0.0025 16.4th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2025-13826 is a high-severity Improper Input Validation (CWE-20) vulnerability in Incibe (inferred from references). Its CVSS base score is 8.2 (High).

Operationally, ranked at the 16.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Zervit's portable HTTP/web server is vulnerable to remote DoS attacks when a configuration reset request is made. The vulnerability is caused by inadequate validation of user-supplied input. An attacker can exploit this vulnerability by sending malicious requests. If the vulnerability…

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is successfully exploited, the application can be made to stop responding, resulting in a DoS condition. It is possible to manually restart the application.

CWE(s)

Related Threats

CVEs Like This One

CVE-2025-29814Shared CWE-20
CVE-2026-21864Shared CWE-20
CVE-2026-22862Shared CWE-20
CVE-2025-1022Shared CWE-20
CVE-2025-48913Shared CWE-20
CVE-2026-8000Shared CWE-20
CVE-2025-59028Shared CWE-20
CVE-2025-67484Shared CWE-20
CVE-2025-1026Shared CWE-20
CVE-2026-7905Shared CWE-20

Affected Assets

Incibe
inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References