CVE-2026-28513: Pocket ID: OIDC authorization code validation uses AND instead of OR, allowing cross-client token exchange

CVE-2026-28513 · Severity: low · CVSS 3.1 · Published 2026-03-11

Pocket ID: OIDC authorization code validation uses AND instead of OR, allowing cross-client token exchange in github.com/pocket-id/pocket-id/backend

Technologies: github.com/pocket-id/pocket-id/backend (Go). Vendors: Go.

Quick answers

Is CVE-2026-28513 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-28513 being exploited in the wild.
How severe is CVE-2026-28513?
Low severity, with a CVSS score of 3.1, published 11 March 2026.
Which products and versions are affected?
github.com/pocket-id/pocket-id/backend (Go) SEMVER:introduced=0,fixed=0.0.0-20260307173642-b59e35cb59ae.
Is there a fix for CVE-2026-28513?
Yes. github.com/pocket-id/pocket-id/backend (Go): upgrade to 0.0.0-20260307173642-b59e35cb59ae or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-28513?
Check whether you run github.com/pocket-id/pocket-id/backend (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/pocket-id/pocket-id/backend (Go): upgrade to 0.0.0-20260307173642-b59e35cb59ae or later
    go get github.com/pocket-id/pocket-id/backend@v0.0.0-20260307173642-b59e35cb59ae

Affected products

  • github.com/pocket-id/pocket-id/backend (Go) SEMVER:introduced=0,fixed=0.0.0-20260307173642-b59e35cb59ae

Identifiers

  • CVE-2026-28513
  • GHSA-qh6q-598w-w6m2
  • GO-2026-4656

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.