Vulnerability in symbiote/silverstripe-advancedworkflow (CVE-2026-54718)
Summary
Vulnerability in symbiote/silverstripe-advancedworkflow (CVE-2026-54718). Successful exploitation can lead to full system takeover. Mitigation: upgrade to 7.2.1 or later.
Original description
The description as published by the source.
Impact
The advanced workflow email template field is vulnerable to a specially crafted payload that can be used to run arbitrary code on the server.
Reported by
Steve Boyd
Silverstripe Ltd.
Source: GitHub Security Advisories (Global) 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-2026-54718 has been found in symbiote/silverstripe-advancedworkflow.
Successful exploitation can lead to full system takeover. CVSS score: 7.2/10.
What to do: upgrade symbiote/silverstripe-advancedworkflow to 7.2.1 or later.
If unsure, ask your IT team or search "symbiote/silverstripe-advancedworkflow CVE-2026-54718" on the vendor's site.
CVE-2026-54718 (symbiote/silverstripe-advancedworkflow) — CWE-1336 / CVSS v3 7.2
Attack vector: remote (network-reachable) / no user interaction
Patched: 7.2.1 — 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-1336) exists in symbiote/silverstripe-advancedworkflow.
Check the vendor advisory for the affected versions of symbiote/silverstripe-advancedworkflow.
Severity: High (CVSS 7.2/10). Successful exploitation can lead to full system takeover.
Update to 7.2.1.
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. Run grep -r 'symbiote/silverstripe-advancedworkflow' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'symbiote/silverstripe-advancedworkflow' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
symbiote/silverstripe-advancedworkflowを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade symbiote/silverstripe-advancedworkflow to 7.2.1ステージング環境で 7.2.1 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。
-
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。
Affected packages
References
- web security-advisories@github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web security-advisories@github.com
- web github.com