# CVE-2026-19362 — lmammino oidc-authorizer

> As of 2026-08-10, CVE-2026-19362 is a MEDIUM-severity vulnerability in lmammino oidc-authorizer, CVSS v3.1 5.3, EPSS 0.3% (30.0th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-19362 as of 2026-08-10; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-10

## What is CVE-2026-19362?

A vulnerability has been found in lmammino oidc-authorizer 0.4.0. This issue affects the function parse_token_from_header of the file src/parse_token_from_header.rs of the component Authorization Header Parsing. The manipulation of the argument authorization_token leads to denial of service. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

The record classifies CVE-2026-19362 under weakness class [CWE-404](https://cwe.mitre.org/data/definitions/404.html). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 57 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 5.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R`)
- **CVSS v4.0 base score:** 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 30.0% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-09, last modified 2026-08-10

## Is CVE-2026-19362 being exploited?

It currently carries a trending score of 37 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **lmammino**: oidc-authorizer

## How to fix CVE-2026-19362

No vendor patch reference has been recorded for CVE-2026-19362 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-19362

No threat campaign in the Threadlinqs corpus currently references CVE-2026-19362, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-08-11.

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/387216)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/387216/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-19362)
- [vuldb.com — third party advisory (866089)](https://vuldb.com/submit/866089)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-19362
Full detection coverage and IOCs for threats exploiting CVE-2026-19362 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp