CVE-2026-48376 ColdFusion | Improper Encoding or Escaping of Output (CWE-116)
Low-privileged attackers can bypass security measures to gain unauthorized write access and disrupt availability in Adobe ColdFusion.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-48376?
CVE-2026-48376 is a medium-severity cross-site scripting vulnerability in Adobe Coldfusion, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
is affected by an Improper Encoding or Escaping of Output vulnerability that could result in a Security feature bypass. A low-privileged attacker could leverage this vulnerability to bypass security measures and gain limited unauthorized write access, causing a limited disruption to availability. Exploitation of this issue does not require user interaction.
Weakness: CWE-116
Which versions are affected by CVE-2026-48376?
It affects 1 product.
Products include Adobe Coldfusion.
How do I fix CVE-2026-48376?
No fix has been published for CVE-2026-48376 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-48376 being exploited?
There is no known exploitation of CVE-2026-48376 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-mg6q-gc3j-2v4j.