CVE-2026-28684
python-dotenv: Symlink following in set_key allows arbitrary file overwrite via cross-device rename fallback
6.6
MEDIUM
CVSS 3.1
EPSS 0.00%
描述
python-dotenv reads key-value pairs from a .env file and can set them as environment variables. Prior to version 1.2.2, `set_key()` and `unset_key()` in python-dotenv follow symbolic links when rewriting `.env` files, allowing a local attacker to overwrite arbitrary files via a crafted symlink when a cross-device rename fallback is triggered. Users should upgrade to v.1.2.2 or, as a workaround, apply the patch manually.
如何修補 CVE-2026-28684
要修補 CVE-2026-28684,請將受影響套件升級到下列已修補版本。
- —未列出修補版本
- —升級至 1.2.2 或更新版本
CVE-2026-28684 正在被利用嗎?
低 — EPSS 為 0.0%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0
- from 0, < 1.2.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.6 | CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H |