Security readout for executives and security teams
Plain-English summary
A critical Adobe ColdFusion flaw could let an unauthenticated attacker run code with the application’s user permissions. The affected component is normally limited to an administrative network zone, reducing internet exposure but leaving reachable management networks at serious risk. No user action is required.
Executive priority
Treat as an urgent remediation item for affected ColdFusion systems. Prioritize instances whose administrative components are reachable beyond tightly controlled management networks. Because successful exploitation could compromise data, alter systems, or interrupt service, require documented exposure review and remediation verification.
Technical view
CVE-2026-47928 is an improper input validation vulnerability (CWE-20) affecting ColdFusion 2023.19, 2025.8, and earlier releases. It may enable arbitrary code execution as the current user, with changed scope and high confidentiality, integrity, and availability impact. CVSS 3.1 rates it 9.6 with adjacent-network access, low complexity, and no required privileges.
Likely exposure
Exposure is highest where the vulnerable administrative component is reachable from adjacent, management, or otherwise untrusted networks. Default administrative-zone restriction reduces exposure but does not remove risk. The source bundle does not identify specific endpoints, deployment configurations, or fixed versions.
Exploitation context
Exploitation requires no authentication or user interaction but does require adjacent-network access under the supplied CVSS vector. The source bundle provides no evidence of active exploitation, and the CVE is not identified as KEV. No public exploit availability is established by the supplied sources.
Researcher notes
The supplied record establishes input-validation failure and possible code execution but does not identify the vulnerable endpoint, input path, root cause, fixed releases, or indicators of compromise. The affected array contains uninformative version values, so the narrative version statement is the clearest supplied scope. Avoid inferring broader ColdFusion exposure.
Mitigation direction
- Consult Adobe advisory APSB26-64 and apply its current remediation guidance.
- Restrict administrative-zone access to explicitly authorized systems and personnel.
- Remove unnecessary network paths to ColdFusion administrative components.
- Run ColdFusion with the least operating-system privileges practical.
- Increase monitoring until remediation is verified.
Validation and detection
- Inventory ColdFusion installations and identify versions 2023.19, 2025.8, or earlier.
- Confirm administrative components are unreachable from internet and untrusted network segments.
- Verify Adobe-recommended remediation is installed on every affected instance.
- Review relevant application, authentication, network, and system logs for anomalies.
- Confirm the ColdFusion service account has limited operating-system privileges.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-20: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-47928 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.6 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H2.86adobeVulnerability scoring details
Base CVSS 3.1 score
9.6CriticalVector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/coldfusion/apsb26-64.htmlCVE reference, adobe · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.