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CVE Record

CVE-2026-48281: ColdFusion | Improper Input Validation (CWE-20)

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation 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.

CriticalCVSS 10Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

This critical ColdFusion flaw can allow a remote attacker to run code with the application’s user permissions. An attack requires no account or user action and could expose data, alter systems, or disrupt service.

Executive priority

Treat this as an immediate remediation priority. The combination of unauthenticated network access, potential arbitrary code execution, and maximum CVSS impact creates substantial compromise risk. Prioritize externally reachable and sensitive systems, while avoiding claims of active exploitation unsupported by the supplied sources.

Technical view

CVE-2026-48281 is a CWE-20 improper input validation vulnerability affecting ColdFusion 2025.9 and 2023.20 and earlier. Its CVSS 3.1 score is 10.0: network-accessible, low complexity, no privileges, no user interaction, changed scope, and high confidentiality, integrity, and availability impact.

Likely exposure

Organizations are potentially exposed if they operate ColdFusion 2025.9, ColdFusion 2023.20, or earlier releases, particularly where ColdFusion is reachable from untrusted networks. The bundle provides no deployment prevalence or vulnerable endpoint details.

Exploitation context

The CVSS vector indicates unauthenticated remote exploitation with low complexity and no user interaction. The bundle marks this CVE as absent from KEV and provides no cited evidence of active exploitation or public exploit availability.

Researcher notes

The bundle does not identify the vulnerable input, component, request path, patch version, indicators of compromise, or exploitation evidence. Researchers should consult Adobe APSB26-68 and the CVE record for authoritative technical and remediation updates. The supplied affected-version metadata should be interpreted alongside the explicit description thresholds.

Mitigation direction

  • Inventory ColdFusion installations and identify versions 2025.9, 2023.20, or earlier.
  • Check Adobe APSB26-68 for the supported update or mitigation; the bundle does not specify one.
  • Restrict ColdFusion access from untrusted networks until vendor guidance is implemented.
  • Run ColdFusion under least-privileged accounts to reduce potential impact.
  • Prioritize internet-facing and business-critical ColdFusion systems for remediation.

Validation and detection

  • Verify installed ColdFusion versions against the affected release thresholds.
  • Confirm Adobe-prescribed updates or mitigations are applied across every identified instance.
  • Review network controls to confirm untrusted clients cannot reach unnecessary ColdFusion services.
  • Check application and host telemetry for unexplained processes, file changes, or service-account activity.
  • Reassess exposure after remediation and document any accepted exceptions.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · low confidence lookup

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.

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description · low confidence lookup

Execution 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.

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cve · low confidence lookup

CVE-2026-48281 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Critical
CVSS
10 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

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.

1CVSS vectors
3Timeline events
1ADP providers
2Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
10CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H3.96adobe

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2026-48281Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
AdobeColdFusion 20250, 10unaffected
AdobeColdFusion 20230, 21unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-20 · source CWE mapping

Improper Input Validation

Improper Input Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.