HCL Hive: Use of Unmaintained Third Party Components
CVE-2026-21752 is a high-severity use of unmaintained third party components vulnerability in HCL Hive from HCLSoftware, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected HCL Hive versions: 1.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.45% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of HCL Hive you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| HCLSoftware | HCL Hive | 1.0 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- NoneNothing can be modified.
- Availability
- NoneAvailability is not affected.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N. Scored by CNA (hcl.com).
Official description
HCL Hive is affected by a use of vulnerable third-party components which could allow an attacker unauthorized access or compromise of the system by exploiting publicly documented security flaws.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Use of Unmaintained Third Party Components
The product relies on third-party components that are not actively supported or maintained by the original developer or a trusted proxy for the original developer.
More Use of Unmaintained Third Party Components vulnerabilities (CWE-1104)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in HCL Hive
- 7.5 High severity
- 7.4 High severity
- 7.2 High severity
Recent Use of Unmaintained Third Party Components vulnerabilities
- 8.5 High severity
- 9.9 Critical severity
- 9.8 Critical severity
- 8.8 High severity
- 9.8 Critical severity
- 7.8 High severity
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