CVE-2026-109143 calcom cal.com/cal.diy Credentials delete credentials.delete privileges management
Attackers can delete credentials of other teams via improper privilege management in the credentials delete API endpoint.
- 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-2026-109143?
CVE-2026-109143 is a medium-severity missing authorization vulnerability in calcom cal.com, published on 13 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was determined in calcom cal.com and cal.diy up to 6.2.0. This vulnerability affects the function credentials.delete of the file /api/trpc/credentials/delete of the component Credentials Handler. This manipulation of the argument teamId causes improper privilege management. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-109143?
How do I fix CVE-2026-109143?
No fix has been published for CVE-2026-109143 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-2026-109143 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109143 exists.
Sources
Also known as GHSA-72px-hx9f-mc45.