Arbitrary code execution via authorization bypass in Adobe ColdFusion with no user interaction; ColdFusion is widely used in enterprise web apps and can lead to server compromise.
CVE-2026-105901
ColdFusion auth bypass allows RCE as service user without interaction.
Is CVE-2026-105901 being exploited?
Not confirmed. CVE-2026-105901 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 0.15% probability of exploitation in the next 30 days.
How severe is CVE-2026-105901?
CVE-2026-105901 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-2026-105901?
Yes. A fix has been recorded for CVE-2026-105901. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-105901 affect?
CVE-2026-105901 affects Adobe ColdFusion, ColdFusion Server, ColdFusion runtime. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-105901?
Apply Adobe APSB26-144 patch immediately and restrict access to ColdFusion.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Low-privileged attacker can bypass authorization to execute arbitrary code as the ColdFusion service user; may enable full server takeover if service is privileged.
Immediate action required
- affected<= 2023.0.25
- affected<= 2025.0.13
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.