What is CVE-2026-28512?

CVE-2026-28512 is a high-severity vulnerability in Pocket-id, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2026-03-09.

How severe is CVE-2026-28512?

High severity. CVSS v3 base score is 7.1 out of 10.

Open Redirect in Pocket-id

CVE-2026-28512

Pocket ID is an OIDC provider that allows users to authenticate with their passkeys to your services. From 2.0.0 to before 2.4.0, a flaw in callback URL validation allowed crafted redirect_uri values containing URL userinfo (@) to bypass l…

Vulnerability class: Open Redirect

EPSS: 0.000 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

Pocket-id — versions >= 2.0.0, < 2.4.0

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

References

https://github.com/pocket-id/pocket-id/security/advisories/GHSA-9h33-g3ww-mqff (x_refsource_CONFIRM)
https://github.com/pocket-id/pocket-id/commit/3a339e33191c31b68bf57db907f800d9de5ffbc8 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-28512?: CVE-2026-28512 is a high-severity vulnerability in Pocket-id, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 7.1/10. Published 2026-03-09.
How severe is CVE-2026-28512?: High severity. CVSS v3 base score is 7.1 out of 10.