CVE-2026-41427

medium

Published 2026-04-24 · Modified 2026-05-05

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

6.5

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

CVSS v4 NEW

7.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

VIR risk

6.5

Description

OAuth 2.1 Provider: Unprivileged users can register OAuth clients

Predictions

Exploit likelihood

75%

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 with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
npm	@better-auth/oauth-provider	`>=1.4.8-beta.7,<1.6.5`	`1.6.5`
npm	@better-auth/oauth-provider	`>=1.7.0-beta.0,<=1.7.0-beta.1`

Application impact

Vendor	Product	Versions	Fixed
better-auth	better-auth\/oauth-provider	`{"startIncluding":"1.4.9","endExcluding":"1.6.5"}`	`1.6.5`
better-auth	better-auth\/oauth-provider	`1.4.8`
better-auth	better-auth\/oauth-provider	`1.7.0`

References

CWEs

CWE-863

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

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