What is CVE-2026-43983?

CVE-2026-43983 is a high-severity vulnerability in Pocket-id, classified under Improper Authorization. CVSS score: 8.1/10. Published 2026-05-12.

How severe is CVE-2026-43983?

High severity. CVSS v3 base score is 8.1 out of 10.

Auth bypass in Pocket-id

CVE-2026-43983

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…

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Pocket-id — versions < 2.6.0
Pocket-id Pocket_id

Weakness classification (CWE)

CWE-285 — Improper Authorization
CWE-613 — Insufficient Session Expiration

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2026-43983?: CVE-2026-43983 is a high-severity vulnerability in Pocket-id, classified under Improper Authorization. CVSS score: 8.1/10. Published 2026-05-12.
How severe is CVE-2026-43983?: High severity. CVSS v3 base score is 8.1 out of 10.