CVE-2026-40181

unknown

Published 2026-06-02 · Modified 2026-06-03

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CVSS v3

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CVSS v4 NEW

6.6

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U

VIR risk

—

Description

React Router's same-origin redirect with path starting // causes open redirect via protocol-relative URL reinterpretation

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.

OS impact

SUSE Affected 1 release

Version	Status	Fixed in
—	Affected	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	react-router	`>=7.0.0,<7.14.1`	`7.14.1`
npm	react-router	`>=6.7.0,<6.30.4`	`6.30.4`

References

CWEs

CWE-601

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

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