{"id":"CVE-2026-54071","summary":"BabelDOC: Arbitrary Code Execution via CMap Pickle Deserialization in babeldoc/pdfminer/cmapdb.py","details":"BabelDOC is a document translation tool. Prior to 0.6.3, BabelDOC's vendored PDF parser in babeldoc/pdfminer/cmapdb.py deserializes untrusted pickle data when CMapDB._load_data() loads CMap files. PDF-controlled Encoding or CMapName values and embedded PostScript usecmap operators can reach this sink after path separators are decoded, while _normalize_cmap_name() removes only a leading slash. Absolute paths or traversal sequences can escape the trusted CMap directories through os.path.join(), select an attacker-writable .pickle.gz file, and cause pickle.loads() to execute arbitrary Python code with the privileges of the BabelDOC process. This issue is fixed in version 0.6.3.","aliases":["GHSA-m8gf-v64p-gfmg","PYSEC-2026-2389"],"modified":"2026-08-23T03:53:39.169525507Z","published":"2026-08-21T18:55:42.248Z","database_specific":{"cwe_ids":["CWE-502"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54071.json","cna_assigner":"GitHub_M"},"references":[{"type":"WEB","url":"https://github.com/funstory-ai/BabelDOC/blob/main/docs/release-notes/v0.6.3.md"},{"type":"WEB","url":"https://github.com/funstory-ai/BabelDOC/releases/tag/v0.6.3"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54071.json"},{"type":"ADVISORY","url":"https://github.com/funstory-ai/BabelDOC/security/advisories/GHSA-m8gf-v64p-gfmg"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-54071"},{"type":"FIX","url":"https://github.com/funstory-ai/BabelDOC/commit/28f784ca6b437dbba040bfd9c67110373cd0924b"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/funstory-ai/babeldoc","events":[{"introduced":"0"},{"fixed":"28f784ca6b437dbba040bfd9c67110373cd0924b"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.6.3"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v0.6.2","v0.6.1","v0.6.0","v0.5.24","v0.5.23","v0.5.22","v0.5.21","v0.5.20","v0.5.19","v0.5.18","v0.5.17","v0.5.16","v0.5.15","v0.5.14","v0.5.13","v0.5.12","v0.5.11","v0.5.10","v0.5.9","v0.5.8","v0.5.7","v0.5.6","v0.5.5","v0.5.4","v0.5.3","v0.5.2","v0.5.1","v0.5.0","v0.4.22","v0.4.21","v0.4.20","v0.4.19","v0.4.18","v0.4.17","v0.4.16","v0.4.15","v0.4.14","v0.4.13","v0.4.12","v0.4.11","v0.4.10","v0.4.9","v0.4.8","v0.4.7","v0.4.6","v0.4.5","v0.4.4","v0.4.3","v0.4.2","v0.4.1","v0.4.0","v0.3.72","v0.3.71","v0.3.70","v0.3.69","v0.3.68","v0.3.67","v0.3.66","v0.3.65","v0.3.64","v0.3.63","v0.3.62","v0.3.61","v0.3.60","v0.3.59","v0.3.58","v0.3.57","v0.3.56","v0.3.55","v0.3.54","v0.3.53","v0.3.52","v0.3.51","v0.3.50","v0.3.49","v0.3.48","v0.3.47","v0.3.45","v0.3.42","v0.3.41","v0.3.40","v0.3.39","v0.3.38","v0.3.37","v0.3.36","v0.3.34","v0.3.35","v0.3.33","v0.3.32","v0.3.31","v0.3.30","v0.3.29","v0.3.28","v0.3.27","v0.3.26","v0.3.25","v0.3.24","v0.3.23","v0.3.22","v0.3.21","v0.3.20","v0.3.19","v0.3.18","v0.3.17","v0.3.16","v0.3.15","v0.3.14","v0.3.13","v0.3.12","v0.3.11","v0.3.10","v0.3.9","v0.3.8","v0.3.7","v0.3.6","v0.3.5","v0.3.4","v0.3.3","v0.3.2","v0.3.1","v0.3.0","v0.2.33","v0.2.32","v0.2.31","v0.2.30","v0.2.29","v0.2.28","v0.2.27","v0.2.26","v0.2.25","v0.2.24","v0.2.23","v0.2.22","v0.2.21","v0.2.20","v0.2.19","v0.2.18","v0.2.17","v0.2.16","v0.2.15","v0.2.14","v0.2.13","v0.2.12","v0.2.11","v0.2.10","v0.2.9","v0.2.8","v0.2.7","v0.2.6","v0.2.5","v0.2.4","v0.2.3","v0.2.2","v0.2.1","v0.2.0","v0.1.32","v0.1.31","v0.1.30","v0.1.29","v0.1.28","v0.1.27","v0.1.26","v0.1.25","v0.1.24","v0.1.23","v0.1.22","v0.1.21","v0.1.20","v0.1.19","v0.1.18","v0.1.17","v0.1.16","v0.1.15","v0.1.14","v0.1.13","v0.1.12","v0.1.11","v0.1.10","v0.1.9","v0.1.8","v0.1.7","v0.1.6","v0.1.6.rc0","v0.1.5","v0.1.4","v0.1.3","v0.1.2","v0.1.1","v0.1.0","v0.1.0.rc2","v0.1.0.rc1","v0.0.2","v0.0.1a28","v0.0.1a27","v0.0.1a26","v0.0.1a25","v0.0.1a24","v0.0.1a23","v0.0.1a22","v0.0.1a21","v0.0.1a20","v0.0.1a19","v0.0.1a18","v0.0.1a17","v0.0.1a16","v0.0.1a15","v0.0.1a14","v0.0.1a13","v0.0.1a12","v0.0.1a11","v0.0.1a10","v0.0.1a9","v0.0.1a8","v0.0.1a7","v0.0.1a6","v0.0.1a5","0.0.1a5","v0.0.1a4","v0.0.1a3","v0.0.1a2","v0.0.1a1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-54071.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}