CVE-2026-48440 ColdFusion | Heap-based Buffer Overflow (CWE-122)
Heap-based buffer overflow in Adobe ColdFusion allows arbitrary code execution without user interaction, requiring immediate patching.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48440?
CVE-2026-48440 is a high-severity memory corruption vulnerability in Adobe Coldfusion, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ColdFusion is affected by a Heap-based Buffer Overflow vulnerability that could result in arbitrary code execution in the context of the current user. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue does not require user interaction.
Weakness: CWE-122
Which versions are affected by CVE-2026-48440?
It affects 1 product.
Products include Adobe Coldfusion.
How do I fix CVE-2026-48440?
No fix has been published for CVE-2026-48440 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-48440 being exploited?
There is no known exploitation of CVE-2026-48440 in the wild and no public exploit code.
Other vulnerabilities in Adobe Coldfusion
- CVE-2026-48282 Adobe ColdFusion Path Traversal
- CVE-2023-38203 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-29300 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-26359 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2018-15961 Adobe ColdFusion Unrestricted File Upload
Sources
Also known as GHSA-hp27-5w84-96wf.