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Critical

Arbitrary Code Execution in Adobe ColdFusion

IdentifiersCVE-2026-47931CWE-20· Improper Input Validation

CVE-2026-47931 is an improper input validation vulnerability in Adobe ColdFusion affecting versions 2023.19, 2025.8, and earlier. According to the provided advisory content, the flaw can be exploited to achieve arbitrary code execution in the context of the current user. The available information does not identify the specific vulnerable function or component, but Adobe classifies the issue as improper input validation and notes that exploitation does not require user interaction. The vulnerability record also indicates changed scope.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can result in arbitrary code execution with the privileges of the current user running the affected ColdFusion instance or component. The provided CVSS context indicates high impact to confidentiality, integrity, and availability, and changed scope suggests compromise may affect resources beyond the initially vulnerable component's security boundary.

Mitigation

If you can’t patch tonight, do this now.

If immediate patching is not possible, reduce exposure of ColdFusion services to only trusted administrative or application networks, restrict access to interfaces reachable over adjacent network paths, and run ColdFusion with the least privileges possible to limit the impact of code execution in the current user context. Apply the vendor update as the primary corrective action.

Remediation

Patch, then assume compromise.

Upgrade Adobe ColdFusion to a fixed release newer than versions 2023.19 and 2025.8, as the provided advisory states that versions 2023.19, 2025.8, and earlier are affected. Adobe references advisory APSB26-64 for product-specific update guidance.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AdobeColdfusionapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

6 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

6 SOURCESView more in app
What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity5

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES
MITRE CVE
cve.org · CVE-2026-47931
NVD
nvd.nist.gov/vuln/detail/CVE-2026-47931
MITRE CWE · CWE-20
Improper Input Validation
Vendor Advisory
helpx.adobe.com/security/products/coldfusion/apsb26-64.html