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-common's 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.
Published: 2026-03-06
Score: 2 Low
EPSS: < 1% Very Low
KEV: No
Impact: Arbitrary file write outside the intended extraction directory via path traversal
Action: Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-w75w-9qv4-j5xj dbt-common's commonprefix() doesn't protect against path traversal
History

Fri, 13 Mar 2026 18:45:00 +0000

Type Values Removed Values Added
First Time appeared Getdbt
Getdbt dbt-common
CPEs cpe:2.3:a:getdbt:dbt-common:*:*:*:*:*:*:*:*
Vendors & Products Getdbt
Getdbt dbt-common
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


Mon, 09 Mar 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Mar 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Dbt-labs
Dbt-labs dbt-common
Vendors & Products Dbt-labs
Dbt-labs dbt-common

Fri, 06 Mar 2026 21:00:00 +0000

Type Values Removed Values Added
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-common's 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.
Title dbt-common: commonprefix() doesn't protect against path traversal
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Dbt-labs Dbt-common
Getdbt Dbt-common
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-09T20:54:30.453Z

Reserved: 2026-03-04T16:26:02.900Z

Link: CVE-2026-29790

cve-icon Vulnrichment

Updated: 2026-03-09T20:51:44.447Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-06T21:16:15.630

Modified: 2026-03-13T18:31:00.637

Link: CVE-2026-29790

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-16T11:15:27Z

Weaknesses