Openpanel-dev OpenPanel Webhook Template Validator sandbox
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.3 | $0-$5k | 0.68- |
Summary
A vulnerability classified as very critical has been found in Openpanel-dev OpenPanel. Affected is an unknown function of the component Webhook Template Validator. The manipulation leads to sandbox. This vulnerability is referenced as CVE-2026-93985. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.
Details
A vulnerability, which was classified as very critical, has been found in Openpanel-dev OpenPanel (version now known). This issue affects some unknown processing of the component Webhook Template Validator. The manipulation with an unknown input leads to a sandbox vulnerability. Using CWE to declare the problem leads to CWE-265. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
OpenPanel js-runtime through commit bad75bdd contains a sandbox escape vulnerability in the JavaScript webhook template validator that fails to block computed member access to constructor chains. Attackers with project write access can create webhook templates using computed property notation to access Function constructor and execute arbitrary code in the worker process.
The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-93985 since 09/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. The exploitation requires an enhanced level of successful authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/19/2026). MITRE ATT&CK project uses the attack technique T1611 for this issue.
Applying the patch bad75bddc74d12d36cfb843f4531d3b830a8d994 is able to eliminate this problem.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒
CVSSv3
VulDB Meta Base Score: 9.5VulDB Meta Temp Score: 9.3
VulDB Base Score: 9.1
VulDB Temp Score: 8.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 9.9
CNA Vector (VulnCheck): 🔒
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 |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: SandboxCWE: CWE-265 / CWE-264
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
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: PatchStatus: 🔍
0-Day Time: 🔒
Patch: bad75bddc74d12d36cfb843f4531d3b830a8d994
Timeline
09/19/2026 Advisory disclosed09/19/2026 CVE reserved
09/19/2026 VulDB entry created
09/19/2026 VulDB entry last update
Sources
Product: github.comAdvisory: github.com
Status: Confirmed
CVE: CVE-2026-93985 (🔒)
GCVE (CVE): GCVE-0-2026-93985
GCVE (VulDB): GCVE-100-407945
Entry
Created: 09/19/2026 14:21Changes: 09/19/2026 14:21 (75)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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