{"id":"CVE-2024-48908","aliases":["GHSA-65rg-554r-9j5x"],"url":"https://o3.security/vulnerability/CVE-2024-48908","summary":"lychee-action vulnerable to arbitrary code injection in composite action","details":"### Summary\n\nThere is a potential attack of arbitrary code injection vulnerability in `lychee-setup` of the composite action at *action.yml*.\n\n### Details\n\nThe GitHub Action variable `inputs.lycheeVersion` can be used to execute arbitrary code in the context of the action.\n\n### PoC\n\n```yaml\n- uses: lycheeverse/lychee@v2\n  with:\n    lycheeVersion: $(printenv >> $GITHUB_STEP_SUMMARY && echo \"v0.16.1\")\n```\n\nThe previous example will just print all the environment variables to the summary of the workflow, but an attacker could potentially use this vector to compromise the security of the target repository, even passing unnotice because the action will run normally.\n\n### Impact\n\nLow","published":"2025-08-28T14:56:43.967Z","modified":"2026-08-12T03:51:35.266064670Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"GitHub Actions","name":"lycheeverse/lychee-action","fixedVersion":"2.0.2"}],"fix":{"url":"https://github.com/lycheeverse/lychee-action/commit/7cd0af4c74a61395d455af97419279d86aafaede","label":"lycheeverse/lychee-action@7cd0af4"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/48xxx/CVE-2024-48908.json"},{"type":"ADVISORY","url":"https://github.com/lycheeverse/lychee-action/security/advisories/GHSA-65rg-554r-9j5x"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-48908"},{"type":"FIX","url":"https://github.com/lycheeverse/lychee-action/commit/7cd0af4c74a61395d455af97419279d86aafaede"},{"type":"PACKAGE","url":"https://github.com/lycheeverse/lychee-action"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:35.266064670Z"}}