CVE-2026-48316
ColdFusion | Improper Input Validation (CWE-20)
Description
ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue does not require user interaction. Scope is changed.
In plain language
AI Act nowIf you run affected versions of Adobe ColdFusion, an attacker may be able to run code on your server over the network without any login or user action—this is serious and you should act now, especially if your ColdFusion site is reachable from the internet.
CVE-2026-48316 is an Improper Input Validation flaw in coldfusion that can enable unauthenticated network-based arbitrary code execution as the current user (no user interaction required) against coldfusion versions 2025.9, 2023.20, and earlier; no patch details are available yet.
What to do now
- Check which coldfusion version you are running, and confirm whether it is 2025.9 or 2023.20 or earlier.
- Verify whether your ColdFusion service is reachable from untrusted networks (for example, the public internet) without an authentication requirement.
- If it is reachable, restrict access immediately (allow-list only the required IPs, put it behind a VPN, or block external access at your firewall/reverse proxy).
- Review your web server/WAF/reverse proxy rules for any controls that might block malformed or suspicious requests to ColdFusion endpoints.
- Contact your ColdFusion/Adobe support or vendor and ask for an emergency mitigation or available update for CVE-2026-48316; there is currently no specific fixed version listed in the available information.
CVSS Vector Breakdown
AV:NAttack VectorAC:LAttack ComplexityPR:NPrivileges RequiredUI:NUser InteractionS:CScopeC:HConfidentialityI:HIntegrityA:NAvailabilityWeaknesses
Affected Products
Exploitability
Attack Graph
Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.
MITRE ATT&CK
1 techniqueReferences
- Критический баг в Adobe ColdFusion уже используется в атакахru-ru·Хакер (xakep.ru)·
- ⚡ Weekly Recap: Proxy Botnets, Browser Ransomware, AI Agent Tricks, Fake PoC Malware and Moreen·The Hacker News· Summary only·
- It’s 37oC, And All We Can Think About Is ColdFusion (Adobe ColdFusion Security Bulletin APSB26-68 CVE Bonanza)en·watchTowr Labs·
- Adobe Patches 7 CVSS 10.0 Flaws in ColdFusion and Campaign Classicen·The Hacker News·
- Adobe Patches Critical ColdFusion, Campaign Classic Vulnerabilitiesen-us·SecurityWeek·
- Adobe patches seven max severity ColdFusion, Campaign flawsen-us·BleepingComputer·
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