Security readout for executives and security teams
Plain-English summary
A flaw in Adobe ColdFusion can let an unauthenticated attacker run code with the ColdFusion process user’s permissions. Compromise could affect data confidentiality, system integrity, and service availability. Default placement in an administrative network zone reduces exposure, but reachable installations remain urgent.
Executive priority
Treat as an immediate remediation priority for reachable vulnerable systems. Quickly establish version and administrative-zone exposure, then follow Adobe’s advisory. Segmented, unreachable installations may have lower immediate likelihood, but the potential impact remains critical and warrants prompt action.
Technical view
CVE-2026-47928 is an improper input validation flaw affecting ColdFusion 2023.19, 2025.8, and earlier versions according to the supplied description. It permits arbitrary code execution without user interaction or privileges. CVSS 3.1 scores it 9.6 with adjacent-network access, low complexity, and changed scope.
Likely exposure
Highest risk applies where a vulnerable ColdFusion administrative component is reachable from an attacker-accessible adjacent network. Default administrative-zone restriction limits reachability but does not remove risk. The source bundle does not establish whether specific deployments changed that default or exposed the component publicly.
Exploitation context
Exploitation requires no authentication or user interaction but does require adjacent-network access under the supplied CVSS vector. Successful exploitation runs code as the current user and can cross a security boundary. The bundle reports no CISA KEV listing and provides no evidence of active exploitation.
Researcher notes
The supplied version fields are not fully normalized and appear inconsistent with the narrative version statement. Confirm affected and corrected builds directly against APSB26-64. Evidence supports unauthenticated, low-complexity code execution from an adjacent network, but does not identify the exact input path, indicators, public exploit availability, or exploitation in the wild.
Mitigation direction
- Inventory ColdFusion deployments and identify instances running 2023.19, 2025.8, or earlier.
- Review Adobe advisory APSB26-64 for the supported update or vendor-prescribed mitigation.
- Restrict administrative-zone access to explicitly authorized management systems and trusted networks.
- Remove unintended public or broadly accessible routes to ColdFusion administrative components.
Validation and detection
- Confirm each ColdFusion edition, release, and update level using authoritative asset records.
- Test administrative-component reachability from untrusted, user, and adjacent network segments.
- Verify network controls allow management access only from approved sources.
- Review telemetry for unexplained ColdFusion process activity or code execution, noting the bundle supplies no specific indicators.
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.
Improper Input Validation
Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.