Cyber Resilience

CVE-2026-8047

High

Published: 26 May 2026

Published
26 May 2026
Modified
26 May 2026
KEV Added
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Patch
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CVSS Score v4 8.7 CVSS:4.0/AV:N/AC:L/AT:N/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:X/R:X/V:X/RE:X/U:X
EPSS Score 0.0044 35.6th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-8047 is a high-severity Improper Validation of Specified Quantity in Input (CWE-1284) vulnerability in Certvde (inferred from references). Its CVSS base score is 8.7 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 35.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.

CWE(s)
CWE-1284

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
Why these techniques?

Unauthenticated remote HTTP request parsing flaw enables exploitation of public-facing apps (T1190) to trigger application/system crash for DoS (T1499.004).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2026-1092Shared CWE-1284
CVE-2023-54337Shared CWE-1284
CVE-2025-14513Shared CWE-1284
CVE-2025-55398Shared CWE-1284
CVE-2026-3381Shared CWE-1284
CVE-2026-27384Shared CWE-1284
CVE-2021-47824Shared CWE-1284
CVE-2026-44826Shared CWE-1284
CVE-2021-47831Shared CWE-1284
CVE-2021-47827Shared CWE-1284

Affected Assets

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

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References