What is CVE-2026-22782?

CVE-2026-22782 is a high-severity vulnerability in Rustfs, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2026-01-16.

How severe is CVE-2026-22782?

High severity. CVSS v3 base score is 7.5 out of 10.

Information disclosure in Rustfs

CVE-2026-22782

RustFS is a distributed object storage system built in Rust. From >= 1.0.0-alpha.1 to 1.0.0-alpha.79, invalid RPC signatures cause the server to log the shared HMAC secret (and expected signature), which exposes the secret to log readers a…

EPSS: 0.005 (37.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Rustfs — versions 1.0.0, >= 1.0.0-alpha.1, < 1.0.0-alpha.80

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-22782?: CVE-2026-22782 is a high-severity vulnerability in Rustfs, classified under Insertion of Sensitive Information into Log File. CVSS score: 7.5/10. Published 2026-01-16.
How severe is CVE-2026-22782?: High severity. CVSS v3 base score is 7.5 out of 10.