CVE-2026-48307
Reflected XSS in ColdFusion may enable arbitrary code execution via a crafted link.
Is CVE-2026-48307 being exploited?
Not confirmed. CVE-2026-48307 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.55% probability of exploitation in the next 30 days.
How severe is CVE-2026-48307?
CVE-2026-48307 is rated High with a CVSS score of 8.8. 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-2026-48307?
Yes. A fix has been recorded for CVE-2026-48307. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-48307 affect?
CVE-2026-48307 affects Adobe ColdFusion 2025.9, Adobe ColdFusion 2023.20, Earlier ColdFusion versions. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-48307?
Apply patch; validate inputs; monitor for exploit attempts.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
RCE in the user's context via crafted link exploiting reflected XSS.
Patch when possible
- affected<= 20
- affected<= 9
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.