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CVE-2026-77152— Field Collection for Drupal 7 access bypass via missing parent entity access check

Quick assessment

Affected
Drupal Field Collection for Drupal 7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Drupal 7 的 Field Collection 模块存在授权不当漏洞。拥有“编辑字段集合”（edit field collections）权限的用户可绕过对父级（宿主）实体的访问控制。 具体而言，字段集合项的访问检查函数（field_collection_item_access()）在授予编辑和删除权限时，仅验证用户是否持有“编辑字段集合”权限，而未检查该用户对宿主实体的访问权限。因此，即使某用户拥有“编辑字段集合”权限，却无权限编辑或更新宿主实体（例如无法编辑的节点），仍可编辑或删除附着于该实体的字段集合

CVSS 5.3 · Medium

Possible ATT&CK Techniques 1 AI

T1551.004
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I. Basic Information for CVE-2026-77152

Vulnerability Information
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Vulnerability Title
Field Collection for Drupal 7 access bypass via missing parent entity access check
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Authorization vulnerability in Drupal Field Collection for Drupal 7 allows a user with the "edit field collections" permission to bypass access control on the parent (host) entity. The access check for field collection items (field_collection_item_access()) granted edit and delete access to any user holding the "edit field collections" permission without verifying the user's access to the host entity. As a result, a user with "edit field collections" but without edit/update access to the host entity (for example a node they cannot edit) could edit or delete field collection items attached to that entity, bypassing the intended entity/node access restrictions. The fix requires access to the parent entity in addition to the field collection permission. This issue affects Field Collection for Drupal 7: version 7.x-1.0 up to and including 7.x-1.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Drupal Field Collection for Drupal 7 7.x-1.0 ~ 7.x-1.2 -

II. Public POCs for CVE-2026-77152

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III. Intelligence Information for CVE-2026-77152

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Other References for CVE-2026-77152 (2)

Same Patch Batch · Drupal · 2026-10-30 · 105 CVEs total

CVE-2026-118550 AI (Artificial Intelligence) - Moderately critical - Access bypass - SA-CONTRIB-2026-270
CVE-2026-107312 Examples for Developers - Less critical - Allocation of resources without limits or thrott
CVE-2026-107256 Shield - Moderately critical - Access bypass - SA-CONTRIB-2026-248
CVE-2026-108514 Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-016
CVE-2026-108515 Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-015
CVE-2026-108099 Entity List - Critical - Remote code execution - SA-CONTRIB-2026-218
CVE-2026-108097 Drupal core - Critical - Remote code execution - SA-CORE-2026-014
CVE-2026-96389 Xray Audit - Moderately critical - Access bypass - SA-CONTRIB-2026-206
CVE-2026-118545 AI (Artificial Intelligence) - Moderately critical - Cross-site scripting - SA-CONTRIB-202
CVE-2026-118563 CacheFlush - Critical - Unsupported - SA-CONTRIB-2026-276
CVE-2026-118555 Commerce License - Moderately critical - Access bypass - SA-CONTRIB-2026-260
CVE-2026-118553 AI (Artificial Intelligence) - Moderately critical - Cross-site scripting - SA-CONTRIB-202
CVE-2026-118544 Commerce Core - Moderately critical - Information disclosure - SA-CONTRIB-2026-259
CVE-2026-118583 Field Permissions - Moderately critical - Access bypass - SA-CONTRIB-2026-288
CVE-2026-118562 Single Content Sync - Critical - Remote code execution - SA-CONTRIB-2026-275
CVE-2026-118565 GroupEx PRO ( Daxko ) integration - Critical - Unsupported - SA-CONTRIB-2026-278
CVE-2026-118548 AI (Artificial Intelligence) - Moderately critical - Information disclosure - SA-CONTRIB-2
CVE-2026-118554 OpenID Connect Client - Moderately critical - Improper authentication - SA-CONTRIB-2026-28
CVE-2026-118539 Commerce Core - Highly critical - Access bypass - SA-CONTRIB-2026-254
CVE-2026-118549 AI (Artificial Intelligence) - Critical - Cross-site scripting - SA-CONTRIB-2026-269

Showing top 20 of 105 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Drupal
Same weakness: CWE-285