calcom cal.com/cal.diy up to 6.2.0 Credentials delete credentials.delete teamId privileges management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.9 | $0-$5k | 2.96 |
Summary
A vulnerability was found in calcom cal.com and cal.diy up to 6.2.0 and classified as problematic. This issue affects the function credentials.delete of the file /api/trpc/credentials/delete of the component Credentials Handler. Such manipulation of the argument teamId leads to privileges management.
This vulnerability is uniquely identified as CVE-2026-109143. The attack can be launched remotely. Moreover, an exploit is present.
The vendor was contacted early about this disclosure but did not respond in any way.
Details
A vulnerability, which was classified as problematic, has been found in calcom cal.com and cal.diy up to 6.2.0. Affected by this issue is the function credentials.delete of the file /api/trpc/credentials/delete of the component Credentials Handler. The manipulation of the argument teamId with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is integrity, and availability.
The advisory is available at gist.github.com. This vulnerability is handled as CVE-2026-109143. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.
The exploit is available at gist.github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 4.9
VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
10/12/2026 Advisory disclosed10/12/2026 VulDB entry created
10/12/2026 VulDB entry last update
Sources
Advisory: gist.github.comStatus: Not defined
CVE: CVE-2026-109143 (🔒)
GCVE (CVE): GCVE-0-2026-109143
GCVE (VulDB): GCVE-100-416882
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 10/12/2026 13:29Changes: 10/12/2026 13:29 (58)
Complete: 🔍
Submitter: k4z0
Cache ID: 216::103
Submit
Accepted
- Submit #978033: Cal.com (Cal.com, Inc.) Cal.com/Cal.diy (self-hosted) <= 6.2.0 Missing Authorization (by k4z0)
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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