CVE-2026-3479
pkgutil.get_data() does not enforce documented restrictions
CVE-2026-3479 is fixed in 29 products on 2 platforms, first by Python 3.13 3.13.13, released April 7, 2026. 9 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
0.0
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0025
16th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Python 3.13 | 3.13.13 | Python 3.13 3.13.13 | Apr 7, 2026 |
| Python 3.14 | 3.14.4 | Python 3.14 3.14.4 | Apr 7, 2026 |
| Linux | |||
| python · sles 15.7 | 2.7.18-150000.114.1 | SUSE-SU-2026:1365-1 | Apr 15, 2026 |
| python-base · sles 15.7 | 2.7.18-150000.114.1 | SUSE-SU-2026:1365-1 | Apr 15, 2026 |
| python-unversioned-command · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3 · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3 · sles 15.6 | 3.6.15-150300.10.129.1 | SUSE-SU-2026:4754-1 | Nov 7, 2026 |
| python3 · sles 15.7 | 3.6.15-150300.10.129.1 | SUSE-SU-2026:4754-1 | Nov 7, 2026 |
| python3-core · sles 15.6 | 3.6.15-150300.10.129.1 | SUSE-SU-2026:4754-1 | Nov 7, 2026 |
| python3-core · sles 15.7 | 3.6.15-150300.10.129.1 | SUSE-SU-2026:4754-1 | Nov 7, 2026 |
| python3-debug · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3-devel · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3-idle · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3-libs · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3-test · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3-tkinter · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3.9-debuginfo · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python3.9-debugsource · amzn 2023 | 3.9.25-1.amzn2023.0.7 | ALAS2023-2026-1933 | Jul 6, 2026 |
| python310 · opensuse-leap 15.6 | 3.10.20-150400.4.107.1 | SUSE-SU-2026:1376-1 | Apr 15, 2026 |
| python310-core · opensuse-leap 15.6 | 3.10.20-150400.4.107.1 | SUSE-SU-2026:1376-1 | Apr 15, 2026 |
| python310-documentation · opensuse-leap 15.6 | 3.10.20-150400.4.107.1 | SUSE-SU-2026:1376-1 | Apr 15, 2026 |
| python311 · opensuse-leap 15.6 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311 · sles 15.6 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311 · sles 15.7 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311-core · opensuse-leap 15.6 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311-core · sles 15.6 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311-core · sles 15.7 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python311-documentation · opensuse-leap 15.6 | 3.11.15-150600.3.53.1 | SUSE-SU-2026:1349-1 | Apr 15, 2026 |
| python312 · opensuse-leap 15.6 | 3.12.13-150600.3.53.1 | SUSE-SU-2026:1292-1 | Apr 13, 2026 |
| python312 · sles 15.6 | 3.12.13-150600.3.53.1 | SUSE-SU-2026:1292-1 | Apr 13, 2026 |
| python312-core · opensuse-leap 15.6 | 3.12.13-150600.3.53.1 | SUSE-SU-2026:1292-1 | Apr 13, 2026 |
| python312-core · sles 15.6 | 3.12.13-150600.3.53.1 | SUSE-SU-2026:1292-1 | Apr 13, 2026 |
| python312-documentation · opensuse-leap 15.6 | 3.12.13-150600.3.53.1 | SUSE-SU-2026:1292-1 | Apr 13, 2026 |
| python313 · opensuse-leap 16.0 | 3.13.13-160000.1.1 | OPENSUSE-SU-2026:20517-1 | Apr 13, 2026 |
| python313 · sles 15.7 | 3.13.13-150700.4.45.1 | SUSE-SU-2026:1354-1 | Apr 15, 2026 |
| python313 · sles 16.0 | 3.13.13-160000.1.1 | SUSE-SU-2026:21178-1 | Apr 13, 2026 |
| python313-core · opensuse-leap 16.0 | 3.13.13-160000.1.1 | OPENSUSE-SU-2026:20517-1 | Apr 13, 2026 |
| python313-core · sles 15.7 | 3.13.13-150700.4.45.1 | SUSE-SU-2026:1354-1 | Apr 15, 2026 |
| python313-core · sles 16.0 | 3.13.13-160000.1.1 | SUSE-SU-2026:21178-1 | Apr 13, 2026 |
| python313-documentation · opensuse-leap 16.0 | 3.13.13-160000.1.1 | OPENSUSE-SU-2026:20517-1 | Apr 13, 2026 |
| python313-documentation · sles 16.0 | 3.13.13-160000.1.1 | SUSE-SU-2026:21178-1 | Apr 13, 2026 |
| python313-nogil · opensuse-leap 16.0 | 3.13.13-160000.1.1 | OPENSUSE-SU-2026:20517-1 | Apr 13, 2026 |
| python313-nogil-nogil-core · opensuse-leap 16.0 | 3.13.13-160000.1.1 | OPENSUSE-SU-2026:20517-1 | Apr 13, 2026 |
| No fix yet | |||
| Python 2 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.10 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.11 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.12 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.5 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.6 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.7 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.8 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.9 (Windows apps) | No fix yet | no-fix | n/a |
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