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CVE-2026-92589· NVD / CVE Program· CNA VulnCheck

Craft CMS 5.0.0 before 5.10.13 Broken Access Control via nested-elements/reorder

Craft CMS 5.0.0 through 5.10.12 (fixed in 5.10.13) contains a broken access control flaw in the nested-elements reorder endpoint. When an authenticated control panel user with viewEntries and viewPeerEntries (but without savePeerEntries) opens another author's entry in read-only mode, Craft unconditionally grants that session a `manageNestedElements::<ownerId>::field:<handle>` authorization flag for the entry's Matrix/Address fields. Unlike the corresponding delete endpoint, actions/nested-elements/reorder trusts this session flag alone and never rechecks the caller's save permission for the owner element. As a result, a view-only user can POST to actions/nested-elements/reorder using the ownerElementType, ownerId, ownerSiteId, attribute, elementIds, and offset parameters present in the read-only page source and rewrite the sort order of Matrix blocks or Addresses belonging to content they are explicitly denied save access to.

MediumCVSS 5.3 · v4.0—No exploit Fix available
Published
Sep 16, 2026
Updated
Sep 22, 2026
EPSS
0.3% · 16th percentile
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Report tools

JSON

Action score

21

Monitor

Low priority for now.

CVSS
21 / 40 · 5.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.3%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · VulnCheck
5.3
NVD has not scored this yet; the score shown is the CNA’s.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (VulnCheck). Independent of NVD's CPE analysis and usually ahead of it.

  • craftcms cms

    • 5.10.13not affected
    • 5.0.0 and later · before 5.10.13affected · semver

Same product

craftcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-72785Craft CMS before 5.10.6 Authorization Bypass via structures/move-element
    37Monitor
  • CVE-2026-84795Craft CMS before 5.10.11 Authentication Bypass via Admin Flag Inheritance
    36Monitor
  • CVE-2026-92594Craft CMS before 5.11.0 Unauthenticated PII Disclosure via GraphQL
    34Monitor
  • CVE-2026-92593Craft CMS 5.10.0 before 5.10.13 Authenticated Remote Code Execution
    34Monitor
  • CVE-2026-92592Craft CMS before 4.18.6 Remote Code Execution via signed cookie
    34Monitor
  • CVE-2026-79987Low-privilege RCE through element-search eager loading
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
craftcms cms5.10.13Vendor (CNA)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2026-8480114 days apartCraft CMS 5.0.0-RC1 before 5.10.11 Authentication Bypass via administrateUsers
    34Monitor
  • CVE-2026-867318 days apartCraft CMS 5.0.0-RC1 before 5.10.12 Permission Escalation via UsersController
    28Monitor
  • CVE-2026-8479414 days apartCraft CMS 5.0.0 through 5.10.10 Authorization Bypass via assets/move-asset
    28Monitor
  • CVE-2026-8479814 days apartCraft CMS before 5.10.11 Authorization Bypass via actionDeleteForSite
    28Monitor
  • CVE-2026-8480014 days apartCraft CMS 5.0.0-RC1 before 5.10.11 File Overwrite via assets/replace-file
    28Monitor
  • CVE-2026-5028477 days apartCraft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets
    28Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability
Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
X

Weakness class (CWE)

CWE-862 · Missing Authorization

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Noroxi analysis

No Noroxi analysis for this record yet

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Change log

  1. Fix✗ → ✓

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References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records