CRITICALcrates.io →
rmcp Streamable HTTP server transport has a DNS rebinding vulnerability
rmcp Streamable HTTP server transport has a DNS rebinding vulnerability
Affected packages
- rmcp
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://github.com/modelcontextprotocol/rust-sdk/security/advisories/GHSA-89vp-x53w-74fx
- https://github.com/nubo-db/dynoxide/security/advisories/GHSA-fvh2-gm75-j4j7
- https://nvd.nist.gov/vuln/detail/CVE-2026-42559
- https://github.com/modelcontextprotocol/rust-sdk/issues/815
- https://github.com/modelcontextprotocol/rust-sdk/issues/822
- https://github.com/modelcontextprotocol/rust-sdk/pull/764
- https://github.com/modelcontextprotocol/rust-sdk/commit/8e22aa2de28df5a285eed87c11cd89bf15fa90d3
- https://github.com/modelcontextprotocol/rust-sdk
- https://modelcontextprotocol.io/specification/2025-06-18/basic/transports#security-warning
- https://rustsec.org/advisories/RUSTSEC-2026-0140.html
Structured record: https://osv.dev/vulnerability/GHSA-89vp-x53w-74fx
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