CVE-2026-72561 Peppermint Lab Peppermint - Broken Access Control
Authenticated non-admin users can modify global SSO settings to redirect logins to an attacker-controlled identity provider, enabling credential harvesting.
- 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-2026-72561?
CVE-2026-72561 is a high-severity missing authorization vulnerability in Peppermint, published on 11 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A broken access control vulnerability in Peppermint Lab Peppermint through commit ba6e217 allows any authenticated non-administrative user to reconfigure the platform global OIDC/SSO settings via an unprotected configuration endpoint. The endpoint performs no administrative role check before applying new OIDC issuer settings. An attacker can redirect all SSO logins to an attacker-controlled identity provider, enabling credential harvesting for all platform users.
Weakness: CWE-284
Which versions are affected by CVE-2026-72561?
How do I fix CVE-2026-72561?
No fix has been published for CVE-2026-72561 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-2026-72561 being exploited?
There is no known exploitation of CVE-2026-72561 in the wild and no public exploit code.
Sources
Also known as GHSA-68fr-jcrp-77h3.