CVE-2026-22782 is a high-severity information disclosure vulnerability affecting RustFS versions 1.0.0-alpha.1 through 1.0.0-alpha.79. An attacker can trigger the server to log the shared HMAC secret and expected signature by sending an invalid RPC signature, exposing this sensitive information to anyone with log access. This allows for potential forgery of RPC calls. The vulnerability has a CVSS score of 7.5 (High) due to its network attack vector and high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0CPE matchmatch criteria | cpe:2.3:a:rustfs:rustfs:1.0.0:alpha1:*:*:*:rust:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:rustfs:rustfs:1.0.0:alpha10:*:*:*:rust:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:rustfs:rustfs:1.0.0:alpha11:*:*:*:rust:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:rustfs:rustfs:1.0.0:alpha12:*:*:*:rust:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:rustfs:rustfs:1.0.0:alpha13:*:*:*:rust:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.