UNKNOWNhex →
On-chain transfer proof is not single-use in mpp EVM payment method, enabling cross-challenge replay
On-chain transfer proof is not single-use in mpp EVM payment method, enabling cross-challenge replay
Affected packages
- mpp
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/ZenHive/mpp/security/advisories/GHSA-vp5h-xh25-44wf
- https://cna.erlef.org/cves/CVE-2026-67581.html
- https://github.com/ZenHive/mpp/commit/ecc038088b1cda09ad8a84acc6cc112addb4a68f
- https://hex.pm/packages/mpp
Structured record: https://osv.dev/vulnerability/EEF-CVE-2026-67581
Recommended response stack
Snyk — Scan your dependencies in CI and fix this vulnerability.→Socket — Detect malicious and compromised packages before they ship.→
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