LiveActive security incident?Get immediate response
CVE Record

CVE-2026-48316: 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

Affected Adobe ColdFusion servers may let an unauthenticated remote attacker run code with the server process user’s privileges. No user action is required. Successful exploitation could expose or alter sensitive data and cross a security boundary, making reachable affected systems an urgent business risk.

Executive priority

Treat this as an immediate remediation priority, starting with internet-facing and business-critical ColdFusion systems. Assign accountable owners, establish a short completion deadline, and track exceptions. The maximum CVSS score reflects easy remote reachability and severe data impact, although active exploitation is not established by the supplied evidence.

Technical view

CVE-2026-48316 is an improper input validation flaw affecting ColdFusion 2025.9 and earlier and 2023.20 and earlier. It permits network-based arbitrary code execution as the current user without authentication or interaction. The CVSS 3.1 score is 10.0, with changed scope and high confidentiality and integrity impacts.

Likely exposure

Organizations running the listed ColdFusion versions are exposed, with network-reachable and internet-facing instances presenting the greatest urgency. The bundle does not identify the vulnerable component, required configuration, or reliable exposure fingerprint, so version and reachability inventories are essential.

Exploitation context

The supplied CVSS vector indicates network access, low attack complexity, no required privileges, and no user interaction. The bundle marks KEV false and provides no cited evidence of active exploitation. That does not establish that exploitation is absent; it means active exploitation is not supported by these sources.

Researcher notes

The public bundle classifies the flaw as CWE-20 but does not disclose the affected input path, vulnerable component, technical root cause, indicators, or remediation details. Researchers should avoid inferring those facts. Scope change is asserted by the CVSS vector, while code execution remains limited initially to the current user context.

Mitigation direction

  • Review APSB26-68 and apply Adobe’s prescribed remediation to every affected ColdFusion instance.
  • Until verified, restrict affected instances to necessary trusted network paths using existing access controls.
  • Retire or isolate affected instances that cannot receive Adobe’s remediation promptly.
  • Monitor Adobe’s advisory for clarifications because the bundle does not state fixed versions or patch identifiers.

Validation and detection

  • Inventory all ColdFusion deployments and identify instances running 2025.9 or earlier or 2023.20 or earlier.
  • Map internet, partner, and internal network reachability for every affected instance.
  • Verify each remediation directly against Adobe advisory APSB26-68 and retain deployment evidence.
  • Review server and application logs for unexplained execution or configuration changes; the sources provide no indicators.
  • Confirm remediated instances remain operational and no affected version remains reachable.
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.

Open ATT&CK lookup
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.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2026-48316 mapping review

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

Open ATT&CK lookup
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:N

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:N3.95.8adobe

Vulnerability scoring details

Base CVSS 3.1 score

10Critical
CVSS 3.1 vector shape for CVE-2026-48316Attack 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:N

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.