CVE-2026-49356

unknown

Published 2026-06-15 · Modified 2026-06-15

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

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CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

CVSS v4 NEW

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not yet in upstream

VIR risk

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Description

@babel/core: Arbitrary File Read via sourceMappingURL Comment

Predictions

Exploit likelihood

20%

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 with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	@babel/core	`>=8.0.0-alpha.0,<8.0.0-rc.6`	`8.0.0-rc.6`
npm	@babel/core	`<7.29.6`	`7.29.6`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.