{"id":"CVE-2024-21624","aliases":["GHSA-59j8-776v-xxxg","PYSEC-2024-37"],"title":"NoneBot Potential Information Leak in User-Constructed Message Templates","summary":"NoneBot Potential Information Leak in User-Constructed Message Templates","severity":"medium","cvss":5.7,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N","vendor":"nonebot2","product":"nonebot2","ecosystem":"pip","affected":["nonebot2 >= 2.0.0a16, < 2.2.0"],"patched":["nonebot2 2.2.0"],"published":"2024-02-09","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:05.511545008Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-59j8-776v-xxxg","references":[{"url":"https://github.com/nonebot/nonebot2/security/advisories/GHSA-59j8-776v-xxxg"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21624"},{"url":"https://github.com/nonebot/nonebot2/pull/2509"},{"url":"https://github.com/nonebot/nonebot2/commit/b65b3b438c95894654fd9081139989c757bdc6c1"},{"url":"https://github.com/nonebot/nonebot2"},{"url":"https://github.com/pypa/advisory-database/tree/main/vulns/nonebot2/PYSEC-2024-37.yaml"}],"tags":["osv","pip"],"epss":0.00492,"epssPercentile":0.41353,"ingestedAt":"2026-09-12T03:13:01.659Z","slug":"CVE-2024-21624","body":"## Overview\n\n### Impact\nThis 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.\n\n### Patches\nThe identified vulnerability has been remedied in fix #2509 and will be included in versions released after 2.1.3. Users are strongly advised to upgrade to these patched versions to safeguard against the vulnerability.\n\n### Workarounds\nA temporary workaround involves filtering underscores before incorporating user input into the message template.\n\n### References\n- [Pull Request #2509](https://github.com/nonebot/nonebot2/pull/2509)\n- [CWE-1336](https://cwe.mitre.org/data/definitions/1336.html)\n\n## Affected packages\n\n- `nonebot2 >= 2.0.0a16, < 2.2.0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `nonebot2 2.2.0`","depth":"sunlit","depthScore":31,"depthScoreParts":{"impact":31.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}