Critical-Severity Code Injection Flaw in Adobe ColdFusion 2025 Tracked as CVE-2026-105903
A newly published critical vulnerability in Adobe ColdFusion 2025 carries a CVSS score of 9.9. Here is what is affected and how to respond.
Key points
- CVE-2026-105903 affects Adobe ColdFusion 2025.
- CVSS 9.9 (Critical).
- No exploitation confirmed yet.
A critical code injection tracked as CVE-2026-105903 has been published in the National Vulnerability Database for Adobe ColdFusion 2025, with a CVSS base score of 9.9.
At a glance
- CVE
- CVE-2026-105903
- Product
- Adobe ColdFusion 2025
- CVSS
- 9.9 Critical
- Weakness
- code injection
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: ColdFusion is affected by an Improper Control of Generation of Code ('Code Injection') vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue does not require user interaction. Scope is changed.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Adobe | ColdFusion 2025 | up to 2025.0.13 |
| Adobe | ColdFusion 2023 | up to 2023.0.25 |
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-105903
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-105903?
CVE-2026-105903 is a code injection vulnerability in Adobe ColdFusion 2025.
How severe is CVE-2026-105903?
It has a CVSS score of 9.9 Critical.
Is CVE-2026-105903 being exploited?
There is no public confirmation of exploitation at the time of publication.
