Security readout for executives and security teams
Plain-English summary
Fabrik versions 1.0.0 through 4.7.1 for Joomla are reported vulnerable to remote code execution through an image element. The CVSS 4.0 assessment is 10.0 and indicates attackability over a network without credentials or user interaction, with potentially complete compromise of affected systems.
Executive priority
Treat as an immediate remediation priority for internet-facing or business-critical Joomla systems. The potential impact is full system compromise, but exposure depends on Fabrik presence and configuration. Direct teams to inventory affected installations, reduce public reachability, preserve evidence, and follow confirmed vendor remediation guidance.
Technical view
CVE-2026-76605 is classified as CWE-94, improper control of code generation. The supplied record describes remote code execution through Fabrik’s image element and marks versions 1.0.0–4.7.1 affected. The vector reports low complexity, no privileges, no interaction, and high confidentiality, integrity, and availability impacts across vulnerable and subsequent systems.
Likely exposure
Internet-accessible Joomla installations running Fabrik 1.0.0–4.7.1 are the clearest concern, particularly where the affected image-element functionality is reachable. The sources do not identify required configuration, affected endpoints, or whether default installations expose the vulnerable path.
Exploitation context
The supplied CVSS vector indicates unauthenticated, network-based exploitation without user interaction. However, the CVE is not listed as KEV in the supplied data, and no cited source establishes active exploitation, public proof-of-concept availability, attack telemetry, or observed compromise.
Researcher notes
Public detail is limited to the CVE description, affected version range, CWE-94 classification, and CVSS vector. The sources provide no root-cause analysis, affected endpoint, configuration prerequisites, indicators, patch notes, or exploitation evidence. Conclusions about reachability beyond the stated network vector should therefore remain provisional.
Mitigation direction
- Inventory Joomla installations and identify every deployed Fabrik version.
- Prioritize isolating or restricting access to installations running Fabrik 1.0.0–4.7.1.
- Check Fabrik vendor guidance and upgrade to a vendor-confirmed unaffected release.
- Preserve relevant web, application, and system logs before remediation.
- Apply compensating access controls if immediate upgrading is unavailable.
Validation and detection
- Confirm the installed Fabrik version from trusted package or administrative records.
- Verify upgraded systems no longer report a version within 1.0.0–4.7.1.
- Review logs for unusual requests involving Fabrik image-element functionality.
- Check affected hosts for unexplained files, processes, accounts, or configuration changes.
- Monitor the CVE and vendor website for technical advisories and indicators.
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-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. 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 lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-76605 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 Control of Generation of Code
Improper Control of Generation of Code represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.