Security readout for executives and security teams
Plain-English summary
Fabrik for Joomla versions 1.0.0 through 4.7.1 contain a missing access-control check in the download element. This may let an unauthenticated remote party access functionality or files without required authorization. The record rates the issue CVSS 10.0, but the supplied sources provide limited technical detail.
Executive priority
Treat this as an immediate remediation priority where affected Fabrik versions are deployed, especially on public Joomla sites. Confirm exposure promptly and upgrade. The maximum severity rating supports urgency, although the supplied sources do not establish exploitation in the wild or describe demonstrated business impact.
Technical view
CVE-2026-76607 is a CWE-284 improper-access-control flaw caused by a missing ACL check in Fabrik's download element. The CVSS 4.0 vector describes network access, low complexity, no privileges, no user interaction, and high impacts to vulnerable and subsequent systems. No specific attack mechanics are provided.
Likely exposure
Exposure is limited to Joomla deployments running the Fabrik extension versions 1.0.0 through 4.7.1. Internet-accessible deployments may face greater practical risk. The sources do not identify required configuration, affected file types, or whether every installation exposes the vulnerable download element.
Exploitation context
The supplied record is not listed in KEV and provides no evidence of active exploitation, public proof-of-concept code, or observed attacks. Its unauthenticated network vector and maximum CVSS score nevertheless warrant urgent defensive action. Practical exploitability cannot be independently confirmed from the limited source detail.
Researcher notes
The public bundle establishes the affected range, missing ACL check, CWE-284 classification, and CVSS vector, but lacks advisory-level detail. It does not specify vulnerable endpoints, prerequisites, exposed resources, patch changes, or exploitation evidence. Avoid inferring arbitrary file access or full system compromise without further vendor documentation.
Mitigation direction
- Upgrade Fabrik to version 4.7.2 or later after confirming vendor guidance and compatibility.
- Restrict public access to affected download functionality until upgrading is complete.
- Review download-element ACL configurations and minimize access to sensitive files.
- Back up the Joomla deployment before applying the extension update.
Validation and detection
- Inventory Joomla sites and record each installed Fabrik version.
- Confirm no deployment remains on Fabrik versions 1.0.0 through 4.7.1.
- Verify download elements enforce expected authorization after upgrading.
- Review relevant access logs for unexpected or unauthorized download activity.
- Monitor Fabrik and CVE sources for additional technical or exploitation information.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-284: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-76607 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 10 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H——JoomlaVulnerability scoring details
Base CVSS 4.0 score
10CriticalVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://www.fabrikar.com/CVE reference, Joomla · product
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Access Control
Improper Access Control represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.