HIGH 8.3 NVD
CVE-2021-48018
Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function
Vyper from 0.2.13 before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables. When a function using @nonreentrant is called, setting the lock overwrites the overlapping storage variable, corrupting contract state and breaking the contract's intended logic.
References
- https://github.com/vyperlang/vyper/security/advisories/GHSA-7f92-rr6w-cq64
- https://www.vulncheck.com/advisories/vyper-0.2.13-before-0.2.15-storage-corruption-via-non
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-10-21 via NVD.
vulnfeed aggregates 18180 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.