Threat Intelligence / CVE / CVE-2026-48276

CVE-2026-48276 — Adobe ColdFusion

CVSS v3.1 10 (CRITICAL) · EPSS 0.9% (higher than 55.8% of all scored CVEs) · Priority 7.2/10 · Published 2026-06-30

As of 2026-07-01, CVE-2026-48276 is a CRITICAL-severity vulnerability in Adobe ColdFusion, CVSS v3.1 10, EPSS 0.9% (55.8th percentile). Threadlinqs Intelligence links 5 tracked threat campaigns to CVE-2026-48276, most recently “Adobe ColdFusion Critical Path Traversal in RDS FILEIO Handler Enables Unauthenticated RCE (CVE-2026-48282)”.

Last updated: 2026-07-01

What is CVE-2026-48276?

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.

The record classifies CVE-2026-48276 under weakness class CWE-434. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 74 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 10 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS (FIRST): 0.9% probability of exploitation in the next 30 days, higher than 55.8% of all scored CVEs
CISA KEV: Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority: 7.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published: 2026-06-30, last modified 2026-07-01

Is CVE-2026-48276 being exploited?

No public exploitation evidence for CVE-2026-48276 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-07-01. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

Adobe: ColdFusion

How to fix CVE-2026-48276

Vendor advisory: https://helpx.adobe.com/security/products/coldfusion/apsb26-68.html. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-48276

5 tracked threats in the Threadlinqs corpus reference CVE-2026-48276, either in the campaign’s CVE list or as an indicator on the campaign record.

Adobe ColdFusion Critical Path Traversal in RDS FILEIO Handler Enables Unauthenticated RCE (CVE-2026-48282) — CRITICAL · 2026-07-09
Multiple Critical Adobe ColdFusion Vulnerabilities (CVE-2026-48276 et al., APSB26-68) Enable Unauthenticated Remote Code Execution — CRITICAL · 2026-07-02
Adobe ColdFusion & Campaign Classic Priority 1 Patches for 12 Vulnerabilities Including Six Maximum-Severity RCE Flaws (APSB26-68, APSB26-69) — CRITICAL · 2026-07-02
Adobe Patches Seven Priority-1 ColdFusion and Campaign Classic Flaws (CVE-2026-48276, CVE-2026-48277, CVE-2026-48281, CVE-2026-48282, CVE-2026-48316, CVE-2026-48286) — CRITICAL · 2026-07-01
Adobe Patches Nine CVSS 10.0/9.3 Flaws in ColdFusion and Campaign Classic Enabling Arbitrary Code Execution (APSB26-68, APSB26-69) — CRITICAL · 2026-07-01

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-03. This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

helpx.adobe.com — vendor advisory

Full detection coverage & IOCs for threats exploiting CVE-2026-48276 are available via the Threadlinqs MCP server (Purple tier). View plans →

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