CVE-2026-3479
pkgutil.get_data() does not enforce documented restrictions
Severity Score
2.1
*CVSS v4
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track
*SSVC
Descriptions
pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
pkgutil.get_data() no validó el argumento de recurso como se documentó, permitiendo recorridos de ruta.
DISPUTED: The project has clarified that the documentation was incorrect, and that pkgutil.get_data() has the same security model as open(). The documentation has been updated to clarify this point. There is no vulnerability in the function if following the intended security model. pkgutil.get_data() did not validate the resource argument as documented, allowing path traversals.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
System
Vulnerable | Subsequent
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
System
Vulnerable | Subsequent
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2026-03-03 CVE Reserved
- 2026-03-18 CVE Published
- 2026-04-07 CVE Updated
- 2026-04-19 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://github.com/python/cpython/issues/146121 | Issue Tracking |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Python Software Foundation Search vendor "Python Software Foundation" | CPython Search vendor "Python Software Foundation" for product "CPython" | < 3.13.13 Search vendor "Python Software Foundation" for product "CPython" and version " < 3.13.13" | en |
Affected
| ||||||
| Python Software Foundation Search vendor "Python Software Foundation" | CPython Search vendor "Python Software Foundation" for product "CPython" | >= 3.14.0 < 3.14.4 Search vendor "Python Software Foundation" for product "CPython" and version " >= 3.14.0 < 3.14.4" | en |
Affected
| ||||||