CVE-2026-66800 Azure Data Factory Information Disclosure Vulnerability
An unauthorized attacker can exploit Server-Side Request Forgery in Azure Data Factory to disclose sensitive information over the network.
- 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-2026-66800?
CVE-2026-66800 is a high-severity server-side request forgery vulnerability in Microsoft Azure Data Factory, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Server-side request forgery (ssrf) in Azure Data Factory allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-918
Which versions are affected by CVE-2026-66800?
It affects 1 product.
Products include Microsoft Azure Data Factory.
How do I fix CVE-2026-66800?
No fix has been published for CVE-2026-66800 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-66800 being exploited?
There is no known exploitation of CVE-2026-66800 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Data Factory
Sources
Also known as GHSA-hjp2-pvfv-h8vh.