Vulnerability · Published Oct 13, 2026 · Assigned by VulDB

CVE-2026-109143calcom cal.com/cal.diy Credentials delete credentials.delete privileges management

Medium 5.4

In plain English

A medium-severity privilege mismanagement in cal.com from calcom. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.2%top 86.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
calcom	cal.com	6.06.16.2.0
calcom	cal.diy	6.06.16.2.0

Weakness: CWE-269, CWE-266 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R

References

VDB-416882 | calcom cal.com/cal.diy Credentials delete credentials.delete privileges management vdb-entry, technical-description
VDB-416882 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-109143 | CVE Analysis and Report third-party-advisory
Submit #978033 | Cal.com (Cal.com, Inc.) Cal.com/Cal.diy (self-hosted) <= 6.2.0 Missing Authorization third-party-advisory
https://gist.github.com/k4z01/7f7739e59ae595f7bdd45922adf2b547 exploit