ByteOS Network

NVD Vulnerability Details :

CVE-2026-21627

Awaiting Analysis

Source-security@joomla.org

Published At-20 Feb, 2026 | 15:20

Updated At-20 Feb, 2026 | 15:34

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	4.0	9.5	CRITICAL	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Type: Secondary

Version: 4.0

Base score: 9.5

Base severity: CRITICAL

Vector:

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE ID	Type	Source
CWE-284	Primary	security@joomla.org

CWE ID: CWE-284

Type: Primary

Source: security@joomla.org

References

Hyperlink	Source	Resource
https://tassos.gr	security@joomla.org	N/A

Hyperlink: https://tassos.gr

Source: security@joomla.org

Resource: N/A

CISA Catalog

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Change History