CVE-2026-21629
HIGHCVSS 7.3/10EPSS 0.25%
Last modified
CVE-2026-21629 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Joomla | Joomla\! | >= 3.0.0, < 5.4.4 |
| Joomla | Joomla\! | >= 6.0.0, < 6.0.4 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-21629?
The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.
How severe is CVE-2026-21629?
CVE-2026-21629 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2026-21629?
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-2026-21629?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST