CVE-2026-19362 Denial of service in oidc-authorizer

Medium 6.9 Published Updated

Remote attackers can cause denial of service in lmammino oidc-authorizer by manipulating the authorization token argument during header parsing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-19362?

CVE-2026-19362 is a medium-severity denial of service vulnerability in lmammino oidc-authorizer, published on 9 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-404

Which versions are affected by CVE-2026-19362?

How do I fix CVE-2026-19362?

No fix has been published for CVE-2026-19362 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2026-19362 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19362 exists.

Sources

Also known as GHSA-gv74-4w48-83fh.

Is CVE-2026-19362 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free