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Craft CMS's Missing Volume Permission Check in AssetsController::actionShowInFolder Allows Information Disclosure

  • Veröffentlicht: 06.05.2026
  • Aktualisiert: 11.10.2026 10:22

Summary

AssetsController::actionShowInFolder() fetches an asset by ID and returns its filename and complete folder hierarchy (including volume handle, volume UID, folder names, folder UIDs, and folder URI paths) without checking whether the requesting user has viewAssets or viewPeerAssets permission on the asset’s volume. Any authenticated CP user — even one with zero volume permissions — can enumerate asset filenames and the full folder structure of any volume by supplying arbitrary asset IDs.

This follows the exact same incomplete-patch pattern as four GHSAs merged on 2026-02-25 (GHSA-x76w-8c62-48mg, GHSA-vgjg-248p-rfm2, GHSA-5pgf-h923-m958, GHSA-3pvf-vxrv-hh9c), all of which added requireVolumePermissionByAsset() + requirePeerVolumePermissionByAsset() to sibling AssetsController actions. The actionShowInFolder method was introduced thirteen days before the patch wave and was not included in it.

Details

The vulnerability is in src/controllers/AssetsController.php at line 1437. The method:

  1. Calls requireCpRequest() — verifies the request targets the CP, enforces accessCp permission via Controller::_enforceAllowAnonymous(), but does NOT enforce any volume-level permission.
  2. Fetches any asset by ID with Asset::findOne($assetId) — no editable/savable scope filter, so all assets across all volumes are reachable.
  3. Returns sensitive structural data via JSON.

Impact

  • Any authenticated control panel user with only accessCp permission can discover the filenames and complete folder structure (names, UIDs, handles, URIs) of assets in volumes they are not authorized to access.
  • Sensitive volume structures — private document repositories, confidential media, internal file names — are exposed to any user who can log into the control panel.
  • This enables targeted follow-up attacks: an attacker who knows a private asset’s filename and folder path may have other avenues to exfiltrate the actual file.

Resources

https://github.com/craftcms/cms/commit/e3f3eaab3d85badd713cfc2c24e5f0792ecdb586

Betroffene Software

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PlattformPaketAnfällige VersionenBehoben in
Composer-Paket craftcms/cms >= 5.0.0-RC1, < 5.9.18 5.9.18

Verweise

CVSS-Wert -
CVSS-Vektor
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Schwäche (CWE)
CWE-862
Plattform
Composer
Paket
craftcms/cms
Veröffentlicht
06.05.2026
Aktualisiert
11.10.2026 10:22

Quellen und Lizenzen

OSV / GitHub Advisory Database - GHSA-33m5-hqp9-97pw - CC BY 4.0

Schwachstellenhistorie: craftcms/cms

Alle veröffentlichten Schwachstellen dieses Pakets (Composer-Paket), neueste zuerst. Zeigt, ob es ein einmaliger Ausrutscher ist oder ein Paket, das man im Auge behalten muss.

Alle (127) im Archiv
Einträge insgesamt
127
Erste → letzte
07.2021 08.2026
Ohne Fix
6
In Angriffen ausgenutzt
4

Verteilung nach Schweregrad

  • Kritisch 9
  • Hoch 41
  • Mittel 65
  • Niedrig 12

Veröffentlichungen pro Jahr

Schweregrad:
  1. Craft CMS: Passkey login accepts replayed WebAuthn assertions
    Kritisch CVE-2026-72780 >= 5.0.0-RC1, < 5.10.5 5.10.5
  2. Craft CMS: Arbitrary user password reset leading to administrator account takeover
    Hoch CVE-2026-72786 >= 5.0.0-RC1, < 5.10.8 5.10.8
  3. Craft CMS: Authenticated RCE through Twig sandbox escape
    Hoch CVE-2026-72781 >= 5.0.0-RC1, < 5.10.7, >= 4.0.0-RC1, < 4.18.3 5.10.7, 4.18.3
  4. Craft CMS: Authenticated RCE via `condition.config` JSON cleanse bypass
    Hoch CVE-2026-72778 >= 5.0.0-RC1, < 5.10.6, >= 4.0.0-RC1, < 4.18.2 5.10.6, 4.18.2
  5. Craft CMS: RCE via missing cleanseConfig in FieldsController::actionRenderCardPreview
    Hoch CVE-2026-56382 >= 5.5.0, < 5.9.14 5.9.14
  6. Craft CMS: Potential authenticated Remote Code Execution via referrer redirect
    Hoch CVE-2026-55794 >= 5.9.0, < 5.10.0 5.10.0
  7. Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget
    Hoch CVE-2026-55790 >= 5.0.0-RC1, < 5.9.23, >= 4.0.0-RC1, < 4.17.16 5.9.23, 4.17.16
  8. Craft CMS Vulnerable to Unauthorized Deletion of Destination Folders During Forced Moves
    Hoch CVE-2026-50282 >= 5.0.0-RC1, < 5.9.21, >= 4.0.0-RC1, < 4.17.14 5.9.21, 4.17.14
  9. Craft CMS's mass assignment via id in newAttributes during bulk duplicate overwrites existing elements
    Hoch CVE-2026-50281 >= 5.7.0, < 5.9.21 5.9.21
  10. Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets
    Hoch CVE-2026-50284 >= 5.0.0-RC1, < 5.9.22, >= 4.0.0-RC1, < 4.17.15 5.9.22, 4.17.15
  11. Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap
    Hoch CVE-2026-50279 >= 5.0.0-RC1, < 5.9.21 5.9.21
  12. Craft CMS: Blind SSRF and Arbitrary JavaScript Injection via Host Header Poisoning in actionResourceJs
    Kritisch CVE-2026-55791 >= 5.0.0-RC1, < 5.10, >= 4.0.0-RC1, < 4.18 5.10, 4.18
  13. Craft CMS's Missing Volume Permission Check in AssetsController::actionShowInFolder Allows Information Disclosure dieser Eintrag
    Hoch CVE-2026-44012 >= 5.0.0-RC1, < 5.9.18 5.9.18
  14. Craft CMS has Potential Authenticated Remote Code Execution via Malicious Attached Behavior
    Hoch CVE-2026-44011 >= 4.0.0, < 4.17.12, >= 5.0.0, < 5.9.18 4.17.12, 5.9.18
  15. Craft CMS's Missing Authorization in GraphQL Address Resolver Allows Cross-Scope PII Disclosure
    Hoch CVE-2026-44010 >= 5.0.0, < 5.9.18, >= 4.0.0, < 4.17.12 5.9.18, 4.17.12
  16. Craft CMS is Vulnerable to Authenticated Remote Code Execution via Malicious Attached Behavior
    Hoch CVE-2026-33157 >= 5.6.0, < 5.9.13 5.9.13
  17. Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()
    Hoch CVE-2026-32267 >= 4.0.0-RC1, < 4.17.6, >= 5.0.0-RC1, < 5.9.12 4.17.6, 5.9.12
  18. Craft CMS vulnerable to behavior injection RCE ElementIndexesController and FieldsController
    Hoch CVE-2026-32264 >= 4.0.0-RC1, < 4.17.5, >= 5.0.0-RC1, < 5.9.11 4.17.5, 5.9.11
  19. Craft CMS vulnerable to behavior injection RCE via EntryTypesController
    Hoch CVE-2026-32263 >= 5.6.0, < 5.9.11 5.9.11
  20. CraftCMS has an RCE vulnerability via relational conditionals in the control panel
    Hoch CVE-2026-31857 >= 5.0.0-RC1, < 5.9.9, >= 4.0.0-beta.1, < 4.17.4 5.9.9, 4.17.4
  21. CraftCMS's `ElementSearchController` Affected by Blind SQL Injection
    Hoch CVE-2026-31858 >= 5.0.0-RC1, < 5.9.9 5.9.9
  22. Craft CMS has unauthenticated activation email trigger with potential user enumeration
    Hoch CVE-2026-29069 >= 5.0.0-RC1, < 5.9.0-beta.2, >= 4.0.0-RC1, < 4.17.0-beta.2 5.9.0-beta.2, 4.17.0-beta.2
  23. Craft CMS Vulnerable to Authenticated RCE via "craft.app.fs.write()" in Twig Templates
    Kritisch CVE-2026-28697 >= 5.0.0-RC1, < 5.9.0-beta.1, >= 4.0.0-RC1, < 4.17.0-beta.1 5.9.0-beta.1, 4.17.0-beta.1
  24. Craft CMS has IDOR via GraphQL @parseRefs
    Hoch CVE-2026-28696 >= 4.0.0-RC1, < 4.17.0-beta.1, >= 5.0.0-RC1, < 5.9.0-beta.1 4.17.0-beta.1, 5.9.0-beta.1
  25. Craft CMS has Cloud Metadata SSRF Protection Bypass via DNS Rebinding
    Hoch CVE-2026-27127 >= 5.0.0-RC1, < 5.8.23, >= 3.5.0, < 4.16.19 5.8.23, 4.16.19
  26. Craft CMS Vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior
    Hoch CVE-2026-25498 >= 5.0.0-RC1, < 5.8.22, >= 4.0.0-RC1, < 4.16.18 5.8.22, 4.16.18
  27. Craft CMS: GraphQL Asset Mutation Privilege Escalation
    Hoch CVE-2026-25497 >= 5.0.0-RC1, < 5.9.0-beta.1, >= 4.0.0-RC1, < 4.17.0-beta.1 5.9.0-beta.1, 4.17.0-beta.1
  28. Craft CMS Vulnerable to SQL Injection in Element Indexes via `criteria[orderBy]`
    Hoch CVE-2026-25495 >= 5.0.0-RC1, < 5.8.22, >= 4.0.0-RC1, < 4.16.18 5.8.22, 4.16.18
  29. Craft CMS vulnerable to potential authenticated Remote Code Execution via malicious attached Behavior
    Hoch CVE-2025-68455 >= 5.0.0-RC1, < 5.8.21, >= 4.0.0-RC1, < 4.16.17 5.8.21, 4.16.17
  30. Unauthenticated Craft CMS users can trigger a database backup
    Hoch CVE-2025-68456 >= 5.0.0-RC1, < 5.8.21, >= 3.0.0, < 4.16.17 5.8.21, 4.16.17
  31. Craft CMS Contains a Potential Remote Code Execution Vulnerability via Twig SSTI
    Hoch CVE-2025-46731 >= 4.0.0-RC1, < 4.14.13, >= 5.0.0-RC1, < 5.6.15 4.14.13, 5.6.15
  32. Craft CMS Allows Remote Code Execution
    Kritisch · 10.0 In Angriffen ausgenutzt CVE-2025-32432 >= 3.0.0-RC1, < 3.9.15, >= 4.0.0-RC1, < 4.14.15, >= 5.0.0-RC1, < 5.6.17 3.9.15, 4.14.15, 5.6.17
  33. Craft CMS has a potential RCE with a compromised security key
    Hoch · 8.0 In Angriffen ausgenutzt CVE-2025-23209 >= 5.0.0-RC1, < 5.5.8, >= 4.0.0-RC1, < 4.13.8 5.5.8, 4.13.8
  34. Craft CMS has potential RCE when PHP `register_argc_argv` config setting is enabled
    Kritisch · 9.8 In Angriffen ausgenutzt CVE-2024-56145 >= 5.0.0-RC1, < 5.5.2, >= 4.0.0-RC1, < 4.13.2, >= 3.0.0, < 3.9.14 5.5.2, 4.13.2, 3.9.14
  35. Craft CMS vulnerable to Potential Remote Code Execution via missing path normalization & Twig SSTI
    Hoch · 7.2 CVE-2024-52293 >= 4.0.0-RC1, < 4.12.2, >= 5.0.0-RC1, < 5.4.3 4.12.2, 5.4.3
  36. Craft CMS Arbitrary System File Read
    Hoch · 7.7 CVE-2024-52292 >= 5.0.0-alpha.1, < 5.4.9, >= 3.5.13, < 4.12.8 5.4.9, 4.12.8
  37. Local File System Validation Bypass Leading to File Overwrite, Sensitive File Access, and Potential Code Execution
    Hoch · 8.4 CVE-2024-52291 >= 5.0.0-RC1, < 5.4.6, >= 4.0.0-RC1, < 4.12.5 5.4.6, 4.12.5
  38. Craft CMS SQL injection vulnerability via the GraphQL API endpoint
    Kritisch · 9.8 CVE-2024-37843 <= 3.7.31 keine Korrektur
  39. Craft CMS Feed-Me
    Hoch · 7.5 CVE-2023-36260 < 4.6.2 4.6.2
  40. Craft CMS Remote Code Execution vulnerability
    Kritisch · 10.0 CVE-2023-41892 >= 4.0.0-RC1, < 4.4.15 4.4.15
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