CVE-2026-43983: Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services

Q: How do I fix CVE-2026-43983?

pocket id: upgrade to 2.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-43983 being exploited?

CVE-2026-43983 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-43983 affect?

CVE-2026-43983 affects pocket id. Severity is high (CVSS 8.1). 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

Q: How urgent is CVE-2026-43983?

Priority 37/100. High severity; Public exploit reference

Routine

HIGH 8.1UPGRADE

CVE-2026-43983 is a high-severity flaw (CVSS 8.1) affecting pocket id. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 t

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 84%)
CISA exploited list	No
Weakness	CWE-285, CWE-613
Published	2026-05-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: pocket-id

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-12 15:16 UTCPublished CVE record published
2026-06-17 10:50 UTCUpdated Record last modified

pocket-id pocket id UPGRADE

Affected: < 2.6.0

Fixed in: 2.6.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy pocket-id || rpm -q pocket-id || pocket-id --version

2. UPGRADE to 2.6.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pocket-id

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pocket-id

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-43983?

pocket id: upgrade to 2.6.0. Exact commands for each OS are on this page.

Is CVE-2026-43983 being exploited?

CVE-2026-43983 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-43983 affect?

CVE-2026-43983 affects pocket id. Severity is high (CVSS 8.1). 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

How urgent is CVE-2026-43983?

Priority 37/100. High severity; Public exploit reference

References

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