Vulnerability in Rustfs
CVE-2025-69255
RustFS is a distributed object storage system built in Rust. In versions 1.0.0-alpha.13 to 1.0.0-alpha.77, a malformed gRPC GetMetrics request causes get_metrics to unwrap() failed deserialization of metric_type/opts, panicking the handler thread and enabling remote denial of service of the metrics endpoint. This issue has been patched in version 1.0.0-alpha.78.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.003 (23.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 24th percentile — 23.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000
Affected products
- Rustfs — versions 1.0.0, >= 1.0.0-alpha.13, < 1.0.0-alpha.78
Weakness classification (CWE)
References
- github.com/rustfs/rustfs/security/advisories/GHSA-gw2x-q739-qhcr (Exploit, Vendor Advisory)
- github.com/rustfs/rustfs/commit/eb33e82b56ed11fd12bb39416359d8d60737dc7a (Patch)
Frequently asked questions
- What is CVE-2025-69255?
- CVE-2025-69255 is a medium-severity vulnerability in Rustfs, classified under Improper Handling of Exceptional Conditions. CVSS score: 4.0/10. Published 2026-01-07.
- How severe is CVE-2025-69255?
- Medium severity. CVSS v3 base score is 4.0 out of 10.