CVE-2026-109362 Heym v0.0.5 before v0.0.113 Broken Access Control via Workflow Execution Tokens
Former collaborators can execute workflows using long-lived tokens after access removal, consuming shared credentials and bypassing authorization controls.
- 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-2026-109362?
CVE-2026-109362 is a medium-severity missing authorization vulnerability in heymrun heym, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Heym v0.0.5 before v0.0.113 contains a broken access control vulnerability that allows former collaborators to keep executing JWT-auth workflows by reusing scoped workflow:execute tokens after share removal. Attackers can mint a token with a TTL up to 10 years, which the owner cannot list or revoke, and repeatedly run the workflow consuming shared credentials.
Weakness: CWE-613
Which versions are affected by CVE-2026-109362?
How do I fix CVE-2026-109362?
No fix has been published for CVE-2026-109362 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-2026-109362 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109362 exists.
Sources
Also known as GHSA-7v8m-98rf-rgvw, GHSA-pwr6-6377-3cgv.