---
cve: "CVE-2026-4360"
severity: "LOW"
cvss: 2.0
epss: "28%"
vendor: "Python Software Foundation"
kev: false
exploited: false
published: "2026-06-30 15:16:57"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T07:48:21+02:00"
---

# CVE-2026-4360

> 2.0 LOW · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
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
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |

## Patch verfügbar (OSV)

- c37a4fdf5472b9460cc38885342ef59bce05753f (Commit)
- 0367912be336348b30572f8029cec4a282782d92 (Commit)

## Referenzen

- <https://mail.python.org/archives/list/security-announce@python.org/thread/TWZW2PC2AZOV6FENIHFSRC63OM7MBGSB/>
- <https://github.com/python/cpython/pull/151988>
- <https://github.com/python/cpython/issues/151987>
- <https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0>
- <https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301>
- <https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0a>
- <https://github.com/python/cpython/commit/eee3ddf0ca10283cc7fea724aae9cd8665f8d15e>
- <https://github.com/python/cpython/commit/d2b2f5eacab4dd48446b63340613b05dcbbf0b44>
- <https://github.com/python/cpython/commit/cf23b9153181062150d061468b6d24af33fe214f>
- <https://github.com/python/cpython/commit/0367912be336348b30572f8029cec4a282782d92>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-4360) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_