CVEvulnerability
CVE-2026-4360
2.0 LOW
Official page ↗
- Status
- Modified
- Published
- 2026-06-30
- Last modified
- 2026-10-25
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.0 LOW — CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-281
Description
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.
Affected configurations
• python python (< 3.1.5)
Related
Weakness · CWE (1)
- CWE-281 Improper Preservation of Permissions weakness
References
- https://github.com/python/cpython/commit/0367912be336348b30572f8029cec4a282782d92 github.com
- https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0 Patch
- https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301 Patch
- https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0a Patch
- https://github.com/python/cpython/commit/cf23b9153181062150d061468b6d24af33fe214f github.com
- https://github.com/python/cpython/commit/d2b2f5eacab4dd48446b63340613b05dcbbf0b44 Patch
- https://github.com/python/cpython/commit/eee3ddf0ca10283cc7fea724aae9cd8665f8d15e Patch
- https://github.com/python/cpython/issues/151987 Issue Tracking, Patch
- https://github.com/python/cpython/pull/151988 Issue Tracking, Patch
- https://mail.python.org/archives/list/[email protected]/thread/TWZW2PC2AZOV6FENIHFSRC63OM7MBGSB/ Issue Tracking, Vendor Advisory