Vulnerability in Craft CMS (CVE-2026-92589)
Summary
Vulnerability in Craft CMS (CVE-2026-92589). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 5.10.13 or later.
Original description
The description as published by the source.
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::::field: 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.
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-92589 has been found in Craft CMS.
Risk of unauthorized operations or information disclosure. CVSS score: 4.3/10.
What to do: upgrade Craft CMS to 5.10.13 or later.
If unsure, ask your IT team or search "Craft CMS CVE-2026-92589" on the vendor's site.
CVE-2026-92589 (Craft CMS) — CWE-862 / CVSS v3 4.3
Attack vector: remote (network-reachable) / no user interaction
Patched: 5.10.13 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-862) exists in Craft CMS.
Check the vendor advisory for the affected versions of Craft CMS.
Severity: Medium (CVSS 4.3/10). Risk of unauthorized operations or information disclosure.
Update to 5.10.13.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで Craft CMS を使っているサービスとバージョンを洗い出す。
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2Apply patch patch
Upgrade Craft CMS to 5.10.13ステージング環境で 5.10.13 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
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3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- web github.com
- web vulncheck.com
- web nvd.nist.gov
- web github.com