CVE-2026-48276

CRITICAL

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the ...

Affects 1 product across 1 vendor.

CVSS 3.110.0
EPSS1.3%
Percentile69th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, can impact systems beyond the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-434: Unrestricted Upload of File with Dangerous Type

Application allows file uploads without validating type, enabling upload of executable code or web shells.

Related Attack Patterns (CAPEC)
CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs
via CWE-434

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A critical severity vulnerability (CVE-2026-48276) affects the target system. ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not req...

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Frequently Asked Questions
What is CVE-2026-48276?
A critical severity vulnerability (CVE-2026-48276) affects the target system. ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not req...
What is the CVSS score for CVE-2026-48276?
CVE-2026-48276 has CVSS 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H. EPSS: 1.3%.
Is CVE-2026-48276 actively exploited?
No confirmed active exploitation of CVE-2026-48276 as of 2026-09-25.
How do I remediate CVE-2026-48276?
Apply vendor patches for CVE-2026-48276. Monitor Adobe advisories.
What systems are affected by CVE-2026-48276?
CVE-2026-48276 affects Adobe Coldfusion.
Vulnerability Details
CVE IDCVE-2026-48276
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Published2026-06-30
Last Modified2026-08-28
ICS Relevance0%
Weakness (CWE)
Unrestricted Upload of File with Dangerous Type
SourceNVD
Official Description

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductAffected Versions
Adobe Coldfusion 2023 2025
Remediation

No official vendor advisory link on record. See the CVE record →

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 107 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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