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CVE-2026-14622: Missing Authentication in Restaurant-Website-PHP-MySQL

CVE explainers 9 min read
SR
Security Research Desk Expert reviewed
Threat intelligence · Human-verified · Updated 2026-07-04
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CISOBrief · 30-second brief
Field Value
CVE ID CVE-2026-14622
CVSS score 7.3 High
Attack vector Remote
Authentication required Unknown from NVD vector string, but the flaw class is missing authentication and the issue is described as remotely reachable
Patch status No fixed release or patch version identified in NVD

TL;DR - Public exploit material exists for a remote missing-authentication flaw in /admin/ajax_files. - Affects jairiidriss/restaurant-website-php-mysql up to commit 521428b5b612449df0cf4a5d15ee40cba67f3d35. - No fixed version is specified, so restrict or remove exposure immediately if this app is internet-facing.

What This Vulnerability Is and Why It Matters

CVE-2026-14622 is a missing authentication vulnerability in the GitHub-hosted PHP project jairiidriss/restaurant-website-php-mysql. According to NVD, the issue affects the /admin/ajax_files path, identified as an administrative AJAX endpoint. The core problem is straightforward: code under that admin-facing path does not properly enforce authentication, allowing remote access to functionality that should likely be restricted to authenticated administrators.

For defenders, the practical risk is less about the label and more about the location. An unauthenticated issue on an administrative endpoint is often more dangerous than a generic bug in a public page, because admin AJAX handlers frequently perform state-changing operations such as updates, deletions, content management, or backend workflow actions. NVD does not specify exactly which operations are exposed here, so you should assume the endpoint may permit privileged actions until you verify the application code and behavior in your own deployment.

NVD rates the issue at CVSS v3.1 7.3 High. The vector string was not available in the retrieved data, so defenders should avoid inferring unsupported details from CVSS subscores alone. Still, the facts that are known are enough to prioritize the issue: the attack is remote, the vulnerable component is an admin AJAX endpoint, and public exploit material exists.

Exploitation Status: What Is Confirmed and What Is Not

NVD explicitly states that “the exploit has been made public and could be used.” That means a public PoC or exploit material is known to exist. This is stronger than rumor or secondary reporting. It should raise urgency for any exposed deployment, especially because admin-path auth bypasses are usually easy to automate in internet scanning and follow-on exploitation.

What is not confirmed from the available sources is in-the-wild exploitation. As of the research note provided, CISA KEV does not list CVE-2026-14622. That means there is no CISA-confirmed active exploitation entry in the Known Exploited Vulnerabilities catalog. However, defenders should not overread that absence. Not being in KEV does not mean no one is exploiting it. It only means there is no KEV listing at this time.

Operationally, treat this as a high-risk internet exposure issue because three factors are already present: remote reachability, an admin endpoint, and public exploit availability. If your instance is externally reachable, you should assume scanning and opportunistic exploitation attempts are plausible even without formal in-the-wild confirmation.

AnalystImpact · assess the risk

Affected Products and Versions

The affected product is the open-source GitHub project jairiidriss/restaurant-website-php-mysql. NVD states the vulnerable range is “up to 521428b5b612449df0cf4a5d15ee40cba67f3d35.” That wording matters because it points to a repository-commit boundary rather than a normal semantic version or packaged release. If you deployed this project by cloning the repository, copying source files, or forking it internally, you need to determine which commit your running code matches.

NVD also explicitly says the project uses a rolling release strategy and that version details for affected or updated releases cannot be specified. That means there is no authoritative fixed version number available from the source material provided. In other words, the most precise defensible version statement is:

  • Affected: repository state up to commit 521428b5b612449df0cf4a5d15ee40cba67f3d35
  • Fixed version: unknown / not specified by NVD
  • Patched release number: not available

If you cannot map your deployment to a Git commit, assume you are affected if your instance includes the same /admin/ajax_files endpoint and was deployed from this project before a verified remediation was applied. In the absence of a confirmed fixed release, defenders should prioritize compensating controls over waiting for an upstream patch announcement.

Technical Notes

If your deployment was installed from a Git clone, use the following to identify the current checked-out commit:

git rev-parse HEAD
git log --oneline -n 5

If the application was copied without .git metadata, you can still inspect whether the vulnerable path exists:

find /var/www -type f | grep "/admin/ajax_files"

For containerized or immutable deployments, record a file hash baseline for the endpoint contents to support later review:

sha256sum /var/www/html/admin/ajax_files*

Technical Impact and Likely Root Cause

The available description points to missing authentication in an admin AJAX endpoint at /admin/ajax_files. NVD says the issue affects unknown code in that file or path, so the exact branch, function, or parameter handling logic is not authoritatively described in the available source material. Still, the vulnerability class is clear enough to guide code review: requests can apparently reach privileged functionality without authentication enforcement.

In PHP applications of this type, the common failure mode is one of three patterns: the endpoint is directly exposed without a session check, the session check exists but is incomplete or bypassable for certain parameters, or the route assumes it is only callable from the admin UI and therefore omits server-side authorization. Any of those patterns can turn a convenience AJAX handler into a remotely callable administrative API.

Technical Notes

Example of what defenders should look for in code review:

<?php
// risky pattern: action handler with no auth check
if (isset($_POST['action'])) {
    switch ($_POST['action']) {
        case 'delete_order':
            // privileged action executed without verifying admin session
            deleteOrder($_POST['id']);
            echo "ok";
            break;
    }
}

Safer pattern conceptually:

<?php
session_start();

if (empty($_SESSION['admin_authenticated']) || $_SESSION['admin_authenticated'] !== true) {
    http_response_code(403);
    exit('Forbidden');
}
}

These snippets are illustrative only. They are not claimed to be the exact vulnerable code in this project. Use them as a review lens when auditing your own deployment or fork.

What Defenders Should Do Next

If you run this project, first determine exposure: is /admin/ajax_files reachable from the internet, from untrusted internal segments, or only from a tightly controlled management network? Exposure determines urgency, but the default assumption should be that any publicly reachable instance is high priority because public exploit material exists.

Second, implement a compensating control today, not after a complete root-cause analysis. Restrict the endpoint, add authentication at the proxy, or remove the app from public access. Then review access logs for historical hits to /admin/ajax_files, paying special attention to requests without normal admin session context. If suspicious access is found, extend the investigation to whatever administrative actions the endpoint can trigger, including database changes, content updates, or file modifications.

Finally, monitor the upstream repository and issue thread for maintainer response or a remediation commit. Since no fixed version number is known, your internal asset record should note that this is an unpatched or patch-uncertain third-party component with compensating controls in place. That helps ensure the issue is revisited if new patch information becomes available.

Additional Resources

For further reading, consider checking out our articles on how to harden WordPress after a breach and what is security information and event management.

ResponderRunbook · act now

Detection and Investigation

Detection should start with one simple question: has anyone accessed /admin/ajax_files without a valid authenticated admin session? Because the root-cause description is broad and the specific vulnerable code path is not fully documented, defenders should investigate both successful and unsuccessful requests to that path and any related child resources or parameterized AJAX calls.

Your review should combine web logs, reverse-proxy logs, and application-level telemetry if available. Focus on requests originating from unusual source IPs, user agents inconsistent with normal administrator usage, requests outside business hours, and POSTs or GETs to administrative AJAX paths that return 200, 302, or any application-specific success indicator when no authenticated session should exist. If the app lacks good auth logging, absence of clear session markers itself is a signal to compensate at the proxy layer.

Technical Notes

A basic log pattern to search in Apache or Nginx access logs:

grep -R "/admin/ajax_files" /var/log/nginx /var/log/apache2 2>/dev/null

Example suspicious access log pattern:

203.0.113.45 - - [04/Jul/2026:10:22:51 +0000] "POST /admin/ajax_files HTTP/1.1" 200 532 "-" "curl/8.7.1"
198.51.100.23 - - [04/Jul/2026:10:23:09 +0000] "GET /admin/ajax_files?action=delete&id=4 HTTP/1.1" 200 418 "-" "python-requests/2.32.0"

A simple Splunk search:

index=web_logs (uri_path="/admin/ajax_files" OR uri="*/admin/ajax_files*")
| stats count values(http_method) values(status) values(user_agent) by src_ip, host
| sort - count

A simple Elastic/KQL query:

url.path : "/admin/ajax_files" or url.original : "*\/admin\/ajax_files*"

A simple Sigma-style idea for reverse-proxy telemetry:

title: Access to restaurant-website-php-mysql admin AJAX endpoint
logsource:
  category: webserver
detection:
  selection:
    cs-uri-stem|contains: "/admin/ajax_files"
  condition: selection
level: medium

If you have session logs, compare requests to /admin/ajax_files against authenticated admin session creation events. Any successful call without a corresponding login trail should be treated as suspicious until proven otherwise.

Mitigation and Patching Guidance

The main challenge with CVE-2026-14622 is that no fixed version number is specified in the available NVD-backed information. NVD also notes that the project was informed via an issue report and had not responded at the time reflected in the record. That means there is no safe basis to tell defenders to upgrade to a named release. If you have a business dependency on this project, the immediate priority is to reduce exposure while you verify code state and monitor the upstream repository for a remediation commit.

The most effective short-term mitigation is to block public access to /admin/ajax_files at the web server, reverse proxy, WAF, VPN, or IP allowlist layer. If the application is internet-facing and not business-critical, temporary removal from external exposure is justified. If it must remain online, require an additional authentication gate in front of the application, restrict the admin paths to known management IPs, and consider disabling or renaming the vulnerable endpoint until a code review confirms proper access control.

Because the project uses a rolling release model, defenders who maintain their own fork should inspect the route handling and add explicit session or role checks before any action handling in /admin/ajax_files. If you cannot validate secure code quickly, assume the endpoint is unsafe by default.

Technical Notes

Example Nginx restriction for the endpoint:

location = /admin/ajax_files {
    allow 203.0.113.10;
    allow 198.51.100.0/24;
    deny all;
}

Reload Nginx:

sudo nginx -t && sudo systemctl reload nginx

Example Apache restriction:

<Location "/admin/ajax_files">
    Require ip 203.0.113.10
    Require ip 198.51.100.0/24
</Location>

Reload Apache:

sudo apachectl configtest && sudo systemctl reload apache2

If the app is behind a basic auth gate at the reverse proxy, an Nginx example:

location = /admin/ajax_files {
    auth_basic "Restricted";
    auth_basic_user_file /etc/nginx/.htpasswd;
}

Create credentials:

sudo apt-get update && sudo apt-get install -y apache2-utils
sudo htpasswd -c /etc/nginx/.htpasswd adminproxy
sudo nginx -t && sudo systemctl reload nginx

If you maintain a local clone and want to watch for upstream changes, use:

git remote -v
git fetch origin
git log --oneline --all -- admin/ajax_files
git diff 521428b5b612449df0cf4a5d15ee40cba67f3d35..origin/main -- admin/ajax_files

That is not a patch command because no verified fixed version is known. It is a review command to help determine whether upstream silently changed the vulnerable code.

References

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Last verified: 2026-07-04

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