{"action":"Upgrade @openzeppelin/contracts-upgradeable to 4.9.1 or later.","affected":[{"fixed":"4.9.1","introduced":"4.3.0"}],"component":"@openzeppelin/contracts-upgradeable","cve_ids":["CVE-2023-34234"],"ecosystem":"npm","epss":0.00595,"exploited":false,"fixed_versions":["4.9.1"],"ghsa_id":"GHSA-5h3x-9wvq-w4m2","id":"tcs_01M5KF3TFTJERGFPR7FBABE72E","modified_at":"2026-09-10T03:50:02.116353126Z","published_at":"2023-06-08T18:03:11Z","references":["https://osv.dev/vulnerability/GHSA-5h3x-9wvq-w4m2","https://github.com/OpenZeppelin/openzeppelin-contracts/security/advisories/GHSA-5h3x-9wvq-w4m2","https://nvd.nist.gov/vuln/detail/CVE-2023-34234","https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/commit/66f390fa516b550838e2c2f65132b5bc2afe1ced","https://github.com/OpenZeppelin/openzeppelin-contracts/commit/d9474327a492f9f310f31bc53f38dbea56ed9a57","https://github.com/OpenZeppelin/openzeppelin-contracts","https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.9.1"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-5h3x-9wvq-w4m2#npm/@openzeppelin/contracts-upgradeable","url":"https://osv.dev/vulnerability/GHSA-5h3x-9wvq-w4m2"}],"summary":"OpenZeppelin Contracts's governor proposal creation may be blocked by frontrunning"}