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major vulnerability· requires attention

Affects widely-used enterprise web app server (Adobe ColdFusion); critical RCE via path traversal; broad impact potential.

Web

CVE-2026-48282

10.0
Critical
KEV · Exploited in wildEPSS 42%Patch availableJul 1, 2026

ColdFusion path traversal enables arbitrary code execution without user input.

common questions

Is CVE-2026-48282 being exploited?

Yes. CVE-2026-48282 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2026-48282?

CVE-2026-48282 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2026-48282?

Yes. A fix has been recorded for CVE-2026-48282. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2026-48282 affect?

CVE-2026-48282 affects Adobe ColdFusion (versions 2025.9, 2023.20 and earlier). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

What should I do about CVE-2026-48282?

Apply vendor patch when released; restrict access; monitor CF server.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
Adobe ColdFusion (versions 2025.9, 2023.20 and earlier)
impact

RCE via crafted path traversal; attacker executes code as the web server user.

action required

Patch when possible

affected versions
Adobe ColdFusion 2023
  • affected<= 20
vendor says fixed in21
Adobe ColdFusion 2025
  • affected<= 9
vendor says fixed in10

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
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