CVE-2025-59952 minio-java Client XML Tag is Vulnerable to Value Substitution
Attackers can expose sensitive system properties or environment variables via crafted XML content in the MinIO Java SDK.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-59952?
CVE-2025-59952 is a high-severity vulnerability in minio-java, published on 29 Sep 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MinIO Java SDK is a Simple Storage Service (aka S3) client to perform bucket and object operations to any Amazon S3 compatible object storage service. In minio-java versions prior to 8.6.0, XML tag values containing references to system properties or environment variables were automatically substituted with their actual values during processing. This unintended behavior could lead to the exposure of sensitive information, including credentials, file paths, or system configuration details, if such references were present in XML content from untrusted sources. This is fixed in version 8.6.0.
Which versions are affected by CVE-2025-59952?
2 open source packages ship an affected version, including io.minio:minio.
| Package | Affected | Fixed in |
|---|---|---|
io.minio:minio Maven | All versions | 8.6.0 |
io.minio:minio Maven | All versions | 8.6.0 |
How do I fix CVE-2025-59952?
Upgrade io.minio:minio to 8.6.0 or later.
Is CVE-2025-59952 being exploited?
There is no known exploitation of CVE-2025-59952 in the wild and no public exploit code.
Sources
Also known as GHSA-h7rh-xfpj-hpcm.