Is sp1_sdk affected by CVE-2026-40323?

crates.io sp1_sdk is affected in >=6.0.0 <6.1.0.

Is CVE-2026-40323 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

high

CVE-2026-40323

Q: Is CVE-2026-40323 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.2%.

crates.io · sp1_sdk • crates.io · sp1_recursion_circuit • crates.io · sp1_prover

Summary

SP1 V6 Recursion Circuit Row-Count Binding Gap

Severity: high
EPSS: 0.2% (p9)
Also known as: GHSA-63x8-x938-vx33#sp1_prover, GHSA-63x8-x938-vx33#sp1_recursion_circuit, GHSA-63x8-x938-vx33#sp1_sdk
Published: 2026-04-14

References

https://github.com/succinctlabs/sp1/security/advisories/GHSA-63x8-x938-vx33
https://nvd.nist.gov/vuln/detail/CVE-2026-40323
https://github.com/succinctlabs/sp1

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.