# Heym vulnerabilities Source: https://junglewise.ai/threats/technologies/heym-heym Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/heym-heym.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 13 vulnerabilities in Heym: 7 in the last 7 days and 13 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-67546, was published on 11 November 2026. 2 vulnerabilities in the last four weeks, down 50% on the four before (4). ## Counts - Last 7 days: 7 - Last 30 days: 7 - Last 90 days: 13 - All time: 13 (0 critical, 0 exploited in the wild) ## Latest Heym vulnerabilities - [CVE-2026-67546: Heym command injection via MCP stdio transport](https://junglewise.ai/threats/cve-2026-67546-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-67545: Heym HTTP node server-side request forgery](https://junglewise.ai/threats/cve-2026-67545-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 7.4, published 11 Nov 2026) - [CVE-2026-67544: Heym workflow engine arbitrary code execution via Playwright node](https://junglewise.ai/threats/cve-2026-67544-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-67543: Heym Python skill execution privilege escalation](https://junglewise.ai/threats/cve-2026-67543-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-67542: Heym server-side request forgery in MCP transports](https://junglewise.ai/threats/cve-2026-67542-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 7.1, published 11 Nov 2026) - [CVE-2026-67541: Heym team-member management privilege escalation](https://junglewise.ai/threats/cve-2026-67541-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.1, published 11 Nov 2026) - [CVE-2026-67540: Heym horizontal IDOR in template get-by-id and use paths](https://junglewise.ai/threats/cve-2026-67540-heym-builds-and-runs-agentic-systems-and-business-process) (medium, CVSS 6.5, published 11 Nov 2026) - [CVE-2026-55376: Heym Python tool sandbox escape in Agent workflows](https://junglewise.ai/threats/cve-2026-55376-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 13 Oct 2026) - [CVE-2026-109362: Heym broken access control in workflow execution tokens](https://junglewise.ai/threats/cve-2026-109362-heym-v0-0-5-before-v0-0-113-contains-a-broken-access-control) (medium, CVSS 5.4, published 12 Oct 2026) - [CVE-2026-100864: heym expression engine sandbox escape in DotList and fallback resolver](https://junglewise.ai/threats/cve-2026-100864-heym-before-0-0-91-contains-a-sandbox-escape-vulnerability-in) (high, CVSS 8.8, published 27 Sep 2026) - [CVE-2026-100863: Heym server-side request forgery in image fetching and IPv6 validation](https://junglewise.ai/threats/cve-2026-100863-heym-versions-0-0-90-and-earlier-contain-two-server-side-request) (medium, CVSS 5, published 27 Sep 2026) - [CVE-2026-100862: heym workflow automation multiple secrets plaintext storage](https://junglewise.ai/threats/cve-2026-100862-heym-a-workflow-automation-platform-stores-and-returns-multiple) (medium, CVSS 4.9, published 27 Sep 2026) - [CVE-2026-100860: heym Redis node credential authorization bypass](https://junglewise.ai/threats/cve-2026-100860-heym-before-0-0-105-does-not-act-on-the-result-of-the-credential) (medium, CVSS 5.5, published 27 Sep 2026) ## Most severe Heym vulnerabilities - [CVE-2026-55376: Heym Python tool sandbox escape in Agent workflows](https://junglewise.ai/threats/cve-2026-55376-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 13 Oct 2026) - [CVE-2026-67546: Heym command injection via MCP stdio transport](https://junglewise.ai/threats/cve-2026-67546-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-67544: Heym workflow engine arbitrary code execution via Playwright node](https://junglewise.ai/threats/cve-2026-67544-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-67543: Heym Python skill execution privilege escalation](https://junglewise.ai/threats/cve-2026-67543-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.8, published 11 Nov 2026) - [CVE-2026-100864: heym expression engine sandbox escape in DotList and fallback resolver](https://junglewise.ai/threats/cve-2026-100864-heym-before-0-0-91-contains-a-sandbox-escape-vulnerability-in) (high, CVSS 8.8, published 27 Sep 2026) - [CVE-2026-67541: Heym team-member management privilege escalation](https://junglewise.ai/threats/cve-2026-67541-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 8.1, published 11 Nov 2026) - [CVE-2026-67545: Heym HTTP node server-side request forgery](https://junglewise.ai/threats/cve-2026-67545-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 7.4, published 11 Nov 2026) - [CVE-2026-67542: Heym server-side request forgery in MCP transports](https://junglewise.ai/threats/cve-2026-67542-heym-builds-and-runs-agentic-systems-and-business-process) (high, CVSS 7.1, published 11 Nov 2026) - [CVE-2026-67540: Heym horizontal IDOR in template get-by-id and use paths](https://junglewise.ai/threats/cve-2026-67540-heym-builds-and-runs-agentic-systems-and-business-process) (medium, CVSS 6.5, published 11 Nov 2026) - [CVE-2026-100860: heym Redis node credential authorization bypass](https://junglewise.ai/threats/cve-2026-100860-heym-before-0-0-105-does-not-act-on-the-result-of-the-credential) (medium, CVSS 5.5, published 27 Sep 2026) ## Vulnerabilities per week 2 vulnerabilities in the last four weeks, down 50% on the four before (4). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 4 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 2 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 7 | 0 | 0 | ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Heym vulnerabilities", https://junglewise.ai/threats/technologies/heym-heym, 13 November 2026.