Cyber Resilience

CVE-2026-32993

High

Published: 13 May 2026

Published
13 May 2026
Modified
14 May 2026
KEV Added
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Patch
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CVSS Score v3.1 8.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
EPSS Score 0.0030 21.8th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-32993 is a high-severity CRLF Injection (CWE-93) vulnerability in Cpanel (inferred from references). Its CVSS base score is 8.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 21.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

A05:2025 Injection

EU & UK References

Vulnerability details

Improper sanitization of the `status` query parameter of the `/unprotected/nova_error` endpoint allows unauthenticated attacker to inject arbitrary HTTP header to the response.

CWE(s)
CWE-93

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 →
Why these techniques?

Unauthenticated CRLF/header injection on a public web endpoint directly enables remote exploitation of a public-facing application.

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

CVEs Like This One

CVE-2026-39983Shared CWE-93
CVE-2026-41230Shared CWE-93
CVE-2025-28357Shared CWE-93
CVE-2026-39394Shared CWE-93
CVE-2026-21428Shared CWE-93
CVE-2026-5140Shared CWE-93
CVE-2026-39849Shared CWE-93
CVE-2026-1714Shared CWE-93
CVE-2026-6351Shared CWE-93
CVE-2025-59151Shared CWE-93

Affected Assets

Cpanel
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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