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CISA KEV · ACTIVELY EXPLOITED
CRITICAL severity

CVE-2026-48282

CRITICAL

CVE-2026-48282 is a critical-severity (CVSS 10) Path Traversal vulnerability. It is in CISA's Known Exploited Vulnerabilities catalog (added 2026-07-07) — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could lead to arbitrary…

Published
Jun 30, 2026
Updated
Aug 27, 2026
Affected
1 product
Patched
See advisory
Exploits
1 known
Exploitation data as of Sep 29, 2026 · OSV.dev, NVD, CISA KEV, FIRST.org (EPSS)

Exploitation Status

Actively exploited in the wild

  • Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2026-07-07. Federal agencies were required to remediate by 2026-07-10.
  • CISA assesses this as automatable — exploitation doesn’t require manual, per-target effort, which raises the odds of mass scanning and opportunistic attacks.
  • A successful exploit gives an attacker total control of the affected component, not partial access.

Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2026-48282.

EPSS Exploitation Probability

via FIRST.org ↗
42.4%probability of exploitation in next 30 days
High Risk0.00%
Lower risk than most CVEs99th percentile — riskier than 99% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

CVE-2026-48282 by exploitation likelihood (EPSS) against impact (CVSS). Outside the shaded patch-first corner.

Where this sits among everything scored

Of 380,526 CVEs with a current EPSS score, this one falls in the 10–50% band (highlighted). Counts from FIRST.org, log-scaled.

Description

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could lead to arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.

Affected Products

1 product · 31 configurations
Application
coldfusionadobe
2 versions
20232025
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-48282 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Resolve every user-supplied path to its canonical form and reject anything that escapes the intended directory, and run the component under an account that has no read or write access outside the directory it legitimately serves.

How to detect CVE-2026-48282

A community-maintained Nuclei template exists for this CVE. You can scan for it directly:

nuclei -id cve-2026-48282 -u https://target
Template
Adobe ColdFusion - RDS Arbitrary File Write
Severity
critical
Impact
An attacker can write arbitrary files to the server filesystem, leading to remote code execution by writing CFML webshells to the web root.
Remediation
Update to ColdFusion 2025 Update 10 or ColdFusion 2023 Update 21 or later.

Template by ProjectDiscovery nuclei-templates (watchtowr, DhiyaneshDk), MIT licensed. View the full template. Scan only systems you are authorised to test.

Frequently Asked Questions

ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability that could lead to arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
O3 Security · Impact-Aware SCA

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CVE-2026-48282: Path Traversal (KEV) | O3 Security