CVE-2025-48934
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
Deno.env.toObject() ignores the variables listed in --deny-env and returns all environment variables
Predictions
Exploit likelihood
30%
Patch ETA
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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.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| crates.io | deno | <2.1.13 | 2.1.13 |
| crates.io | deno | >=2.2.0,<2.2.13 | 2.2.13 |
| crates.io | deno_runtime | <0.212.0 | 0.212.0 |
References
- https://github.com/denoland/deno/security/advisories/GHSA-7w8p-chxq-2789
- https://nvd.nist.gov/vuln/detail/CVE-2025-48934
- https://github.com/denoland/deno/pull/29079
- https://github.com/denoland/deno/commit/2959e083912420988066a001c2b2d6732a1b562f
- https://github.com/denoland/deno/commit/946ccda1aa19a00c478a5e6826b75053b050d753
- https://docs.deno.com/api/deno/~/Deno.Env.toObject
- https://docs.deno.com/runtime/fundamentals/security/#environment-variables
- https://github.com/denoland/deno
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.