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OpenAdvisories
High · 8.5 CVE-2026-43983 EUVD-2026-29482GHSA-w6p7-2fxx-4f44GO-2026-6119

Pocket ID: OIDC refresh token flow bypasses authorization revocation, account disabling, and group restrictions

Published May 12, 2026 · Updated May 13, 2026 · Assigned by GitHub_M

Description

Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. Prior to 2.6.0, The createTokenFromRefreshToken function (oidc_service.go) validates the refresh token's cryptographic integrity but does not re-validate the user's current authorization state before issuing new tokens. This allows (1) the client to refresh the token indefinitely after authorization revocation, (2) the refresh token to continue to work after the account is disabled, and (3) the token to work after the client is removed from the group. This vulnerability is fixed in 2.6.0.

Affected products

VendorProductAffectedFixed
pocket-id pocket-id < 2.6.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
SLES for SAP 16.0 govulncheck-vulndb 0.0.20260827T195228-160000.1.1 SUSE-SU-2026:23625-1
SLES 16.0 govulncheck-vulndb 0.0.20260827T195228-160000.1.1 SUSE-SU-2026:23625-1
ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260827T195228-160000.1.1 openSUSE-SU-2026:21761-1

Affected packages

EcosystemPackageAffectedFixedRecord
Go github.com/pocket-id/pocket-id/backend < 0.0.0-20260419162744-978ac87deffe 0.0.0-20260419162744-978ac87deffe GHSA-w6p7-2fxx-4f44

Advisories 2

References