{"id":"CVE-2026-8784","summary":"npitre cramfs-tools cramfsck.c change_file_status symlink","details":"A vulnerability was detected in npitre cramfs-tools up to 2.2. Affected is the function change_file_status of the file cramfsck.c. Performing a manipulation results in symlink following. The attack requires a local approach. The exploit is now public and may be used. The patch is named b4a3a695c9873f824907bd15659f2a6ac7667b4f. It is recommended to apply a patch to fix this issue.","modified":"2026-07-15T01:49:17.359800846Z","published":"2026-05-18T02:30:13.275Z","database_specific":{"cna_assigner":"VulDB","cwe_ids":["CWE-59","CWE-61"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8784.json"},"references":[{"type":"WEB","url":"https://github.com/npitre/cramfs-tools/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8784.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8784"},{"type":"ADVISORY","url":"https://vuldb.com/submit/811897"},{"type":"ADVISORY","url":"https://vuldb.com/vuln/364408"},{"type":"REPORT","url":"https://github.com/npitre/cramfs-tools/issues/13"},{"type":"REPORT","url":"https://github.com/npitre/cramfs-tools/issues/13#issuecomment-4306102583"},{"type":"REPORT","url":"https://vuldb.com/vuln/364408/cti"},{"type":"FIX","url":"https://github.com/npitre/cramfs-tools/commit/b4a3a695c9873f824907bd15659f2a6ac7667b4f"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/npitre/cramfs-tools","events":[{"introduced":"5aea81001ac6c999175844080879f4024bf15fac"},{"fixed":"b4a3a695c9873f824907bd15659f2a6ac7667b4f"}],"database_specific":{"extracted_events":[{"introduced":"2.0"},{"last_affected":"2.0"},{"introduced":"2.1"},{"last_affected":"2.1"},{"introduced":"2.2"},{"last_affected":"2.2"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["2.0","2.1","2.2","v2.2","v2.1","v2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8784.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"}]}