CVE-2026-29790
Description
dbt-common is the shared common utilities for dbt-core and adapter implementations use. Prior to versions 1.34.2 and 1.37.3, a path traversal vulnerability exists in dbt-commons safe_extract() function used when extracting tarball archives. The function uses os.path.commonprefix() to validate that extracted files remain within the intended destination directory. However, commonprefix() compares paths character-by-character rather than by path components, allowing a malicious tarball to write files to sibling directories with matching name prefixes. This issue has been patched in versions 1.34.2 and 1.37.3.
Risk Information
Base Score
5.3
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
Exploitation Probability
0.083
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Vulnerabilities CVE-2026-29790 are fixed in Python-dbt-common 1.34.2 | Windows |
| Vulnerabilities CVE-2026-29790 are fixed in Python-dbt-common 1.37.3 | Windows |
| Vulnerabilities CVE-2026-29790 are fixed in Python-dbt-common for linux 1.34.2 | Linux |
| Vulnerabilities CVE-2026-29790 are fixed in Python-dbt-common for linux 1.37.3 | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234