{"id":"CVE-2024-21624","summary":"Potential Information Leak in User-Constructed Message Templates in nonebot2","details":"nonebot2 is a cross-platform Python asynchronous chatbot framework written in Python. This security advisory pertains to a potential information leak (e.g., environment variables) in instances where developers utilize `MessageTemplate` and incorporate user-provided data into templates. The identified vulnerability has been remedied in pull request #2509 and will be included in versions released from 2.2.0. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability. A temporary workaround involves filtering underscores before incorporating user input into the message template.","aliases":["GHSA-59j8-776v-xxxg","PYSEC-2024-37"],"modified":"2026-04-02T09:54:52.711279Z","published":"2024-02-09T22:16:49.974Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21624.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-200"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/21xxx/CVE-2024-21624.json"},{"type":"ADVISORY","url":"https://github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21624"},{"type":"FIX","url":"https://github.com/nonebot/nonebot2/pull/2509"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nonebot/nonebot2","events":[{"introduced":"cfd992b6b11be61798bf95519e193d578b7efe01"},{"fixed":"35cee22cf67b2538fc7cb86c8804ef8eb8eb2bbc"}]}],"versions":["v2.0.0","v2.0.0-beta.1","v2.0.0-beta.2","v2.0.0-beta.3","v2.0.0-beta.4","v2.0.0-beta.5","v2.0.0-rc.1","v2.0.0a16","v2.0.0rc2","v2.0.0rc3","v2.0.0rc4","v2.0.1","v2.1.0","v2.1.1","v2.1.2","v2.1.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-21624.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N"}]}