CVE-2026-72564 fosrl Pangolin - Access Token Scope Bypass Allows Cross-Resource Authentication

Critical 9.6 Published Updated

Authenticated attackers can bypass authorization checks to access unauthorized resources across organizations by reusing access tokens.

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

What is CVE-2026-72564?

CVE-2026-72564 is a critical missing authorization vulnerability in fosrl Pangolin, published on 10 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

An improper authorization vulnerability in fosrl/pangolin through v1.20.0 allows an authenticated remote attacker to authenticate to any resource in any organization by reusing an access token issued for a different resource.

Weakness: CWE-639

Which versions are affected by CVE-2026-72564?

How do I fix CVE-2026-72564?

No fix has been published for CVE-2026-72564 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-72564 being exploited?

There is no known exploitation of CVE-2026-72564 in the wild and no public exploit code.

Sources

Also known as GHSA-cwr5-3cmp-8877.

Is CVE-2026-72564 in your software?

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

Check your SBOMs for free