What is CVE-2026-46673?

CVE-2026-46673 is a high-severity vulnerability in Eugeny Russh, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-06-10.

How severe is CVE-2026-46673?

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

Resource exhaustion in Eugeny Russh

CVE-2026-46673

Russh is a Rust SSH client & server library. Prior to version 0.60.3, CryptoVec used unchecked capacity growth, unchecked length arithmetic, and unsafe allocation/locking paths. In current russh releases, local SSH agent peers could still…

EPSS: 0.003 (18.0th 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:N/I:N/A:H.

Affected products

Eugeny Russh — versions < 0.60.3

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-46673?: CVE-2026-46673 is a high-severity vulnerability in Eugeny Russh, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 7.5/10. Published 2026-06-10.
How severe is CVE-2026-46673?: High severity. CVSS v3 base score is 7.5 out of 10.