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CVE-2026-26720 is a code-injection vulnerability in Twenty CRM version 1.15.0 and earlier. Serverless functions can be executed through an unsandboxed local execution driver that launches processes while inheriting the application process environment. A remote attacker can abuse this behavior to execute arbitrary code on the Twenty CRM server.
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Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
Repository contains a minimal proof-of-concept for an authenticated RCE in Twenty CRM’s Workflow Automation feature (“Code - Serverless Function”). Structure: (1) README.md documents the issue, affected component, tested version (v1.15.0), reproduction steps via the UI (Settings > Workflows, manual trigger, add code action), impact, and remediation suggestions (sandboxing, module restrictions, env scrubbing). (2) poc.ts is the actual payload intended to be pasted into the workflow code editor. The PoC imports Node’s child_process and uses execSync to run a shell command on the host (cat /etc/passwd), then serializes process.env to exfiltrate secrets (e.g., DB URLs, app secrets, Redis/AWS keys) through the workflow function’s returned object. No hardcoded network callbacks, C2, or external URLs are present; the primary observable targets are local file access (/etc/passwd) and environment variable disclosure. Overall purpose is to demonstrate that the workflow code execution environment is not sandboxed and permits arbitrary command execution and sensitive data exposure for any authenticated user with workflow creation/execution privileges.
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7 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Twenty CRM serverless-functions vulnerability in versions before 1.15.0, described as allowing workspace members to obtain RCE through unsandboxed spawn() execution and inherited environment variables.
A critical remote code execution vulnerability in Twenty CRM (v1.15.0 and earlier) that allows a remote attacker to execute arbitrary code via the local.driver.ts module.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.