---
id: CVE-2026-19363
title: A vulnerability was found in lmammino oidc-authorizer up to 0.4.0
summary: >-
  A vulnerability was found in lmammino oidc-authorizer up to 0.4.0. Impacted is
  the function unwrap of the file src/handler.rs of the component Fixed Message
  Handler. The manipulation of the argument jwtClaims results in
  deserialization. …
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'
cwe:
  - CWE-20
  - CWE-502
published: '2026-08-09'
updated: '2026-08-09'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-19363'
references:
  - url: 'https://vuldb.com/cve/CVE-2026-19363'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/866093'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387217'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/387217/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-08-10T03:38:50.800Z'
epss: 0.00668
epssPercentile: 0.49802
---

## Overview

A vulnerability was found in lmammino oidc-authorizer up to 0.4.0. Impacted is the function unwrap of the file src/handler.rs of the component Fixed Message Handler. The manipulation of the argument jwtClaims results in deserialization. The attack can be executed remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.