CVE-2026-21756
HCL Hive is affected by a broken access control vulnerability
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
HCL Hive is affected by a broken access control vulnerability
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
- Record
CVE-2026-21756- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
EUVDEUVD-2026-64840
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
- Record
EUVD-2026-64840- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mjvg-8gf9-v7m8
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or...
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
- Record
GHSA-mjvg-8gf9-v7m8- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
NVD
HCL Hive is affected by a broken access control vulnerability which could allow an attacker or unauthorized user to introduce unverified, malicious, or broken code directly into production environments.
- Record
CVE-2026-21756- CVSS 3.1
- 7.2 High
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-266
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-21756 is a high vulnerability (CVSS 7.2) in Hclsoftware Hcl Hive, published August 24, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.46%, the 40th percentile. No source names a fixed version.