ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2026-21627

The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point.

Published Feb 20, 2026 · catalog updated Jun 17, 2026 · The vulnerability was rooted

Check if you run it

No confirmed exploitation is on record for CVE-2026-21627. EPSS is 1.64%. Act only if a listed version of The vulnerability was rooted is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (The vulnerability was rooted).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
1.64%
Remediation
Not established
Affected products
See sources for product scope

The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-21627

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21627. EPSS is 1.64%. Act only if a listed version of The vulnerability was rooted is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-284: Improper Access Control. EPSS 1.64%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 20, 2026 · NIST NVD

    Detected

    The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

  2. Jun 17, 2026 · NIST NVD

    Updated

    The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

Sources

  • CVE.orgVulnerability recordCVE-2026-21627

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21627

    30-day exploitation probability 1.6%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21627

    The vulnerability was rooted in how the Tassos Framework plugin handled specific AJAX requests through Joomla’s com_ajax entry point. Under certain conditions, internal framework functionality could be invoked without proper restriction.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.