CVE-2026-28684
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
python-dotenv: Symlink following in set_key allows arbitrary file overwrite via cross-device rename fallback
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | affected | |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | affected | |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | python-dotenv | <1.2.2 | 1.2.2 |
References
- https://github.com/theskumar/python-dotenv/security/advisories/GHSA-mf9w-mj56-hr94
- https://nvd.nist.gov/vuln/detail/CVE-2026-28684
- https://github.com/theskumar/python-dotenv/commit/790c5c02991100aa1bf41ee5330aca75edc51311
- https://github.com/theskumar/python-dotenv/commit/790c5c02991100aa1bf41ee5330aca75edc51311.patch
- https://github.com/theskumar/python-dotenv
- https://github.com/theskumar/python-dotenv/releases/tag/v1.2.2
- https://www.suse.com/security/cve/CVE-2026-28684.html
- https://security-tracker.debian.org/tracker/CVE-2026-28684
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.