Filament: Multi-factor authentication (app) codes can still be used after a newer code has been used

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-84306
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-01 19:17:31 UTC
Updated2026-09-04 03:17:43 UTC
DescriptionFilament is a collection of full-stack components for accelerated Laravel development. From 4.0.0 until 4.12.6 and 5.7.6, packages/panels/src/Auth/MultiFactor/App/AppAuthentication.php uses AppAuthentication::verifyCode() with a used-code cache key derived from both the app authentication secret and the submitted TOTP code. This isolates the newest accepted timestep by code instead of by secret, allowing a previously issued app-based MFA code to be accepted after a newer code has already been used. Reuse of the exact same code was already prevented, but another code inside the accepted time window remained usable. An attacker who obtains the target account's password and one app-based MFA code can use that code for the remainder of the configured window, which is approximately four minutes with the default settings, even after the legitimate account holder logs in with a newer code. Email-based MFA is not affected. This issue is fixed in versions 4.12.6 and 5.7.6.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

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

EPSS: 0.003620000 probability, percentile 0.291560000 (date 2026-09-03)

Problem Types: CWE-294 | CWE-294 CWE-294: Authentication Bypass by Capture-replay

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Filamentphp Filament affected >= 4.0.0, < 4.12.6 Not specified
CNA Filamentphp Filament affected >= 5.0.0, < 5.7.6 Not specified

References

ReferenceSourceLinkTags
github.com/filamentphp/filament/pull/20335 [email protected] github.com
github.com/filamentphp/filament/commit/b6bde8572bcac75d4f5b4ec892ba7b9e9... [email protected] github.com
github.com/filamentphp/filament/releases/tag/v4.12.6 [email protected] github.com
github.com/filamentphp/filament/security/advisories/GHSA-r3j6-gpjw-qfjr [email protected] github.com
github.com/filamentphp/filament/releases/tag/v5.7.6 [email protected] github.com
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