russh may use insecure Diffie-Hellman keys

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0064, the 50th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:20 UTC First seen by agentprime
2. 31 Oct 2026, 15:20 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-cqvm-j2r2-hwpg
• OSV: GHSA-cqvm-j2r2-hwpg
• github.com/warp-tech/russh/security/advisories/GHSA-cqvm-j2r2-hwpg
• nvd.nist.gov/vuln/detail/CVE-2023-28113
• github.com/warp-tech/russh/commit/45d2d82930bf4a675bd57abfafec8fe4065befcd
• github.com/warp-tech/russh/commit/d831a3716d3719dc76f091fcea9d94bd4ef97c6e
• github.com/warp-tech/russh
• github.com/warp-tech/russh/blob/master/russh/src/kex/dh/groups.rs#L72-L76
• github.com/warp-tech/russh/blob/master/russh/src/kex/dh/groups.rs#L78-L81
• github.com/warp-tech/russh/releases/tag/v0.36.2
• github.com/warp-tech/russh/releases/tag/v0.37.1

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.