CVE-2026-21789
MEDIUMCVSS 4.6/10EPSS 0.12%
Last modified
CVE-2026-21789 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.. EPSS estimates a 0.12% chance of exploitation in the next 30 days.
Description
HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-21789?
HCL Connections contains a broken access control vulnerability that may allow unauthorized user to update data in certain scenarios.
How severe is CVE-2026-21789?
CVE-2026-21789 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.
How do I fix CVE-2026-21789?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2026-21789?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST