# Heymrun Heym vulnerabilities Source: https://junglewise.ai/threats/technologies/heym Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/heym.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 12 vulnerabilities in Heymrun Heym: 0 in the last 7 days and 9 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-110873, was published on 14 October 2026. 1 vulnerability in the last four weeks, down 86% on the four before (7). ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 9 - All time: 12 (0 critical, 0 exploited in the wild) ## About Heymrun Heym Heym is a library for managing and executing asynchronous tasks. ## Latest Heymrun Heym vulnerabilities - [CVE-2026-110873: Heym privilege escalation via error_workflow_id field](https://junglewise.ai/threats/cve-2026-110873-heym-from-0-0-55-before-0-0-121-contains-a-privilege-escalation) (high, CVSS 7.1, published 14 Oct 2026) - [CVE-2026-105396: Heym token leakage in HITL review links via header spoofing](https://junglewise.ai/threats/cve-2026-105396-heym-before-v0-0-112-contains-a-token-leakage-vulnerability-in) (medium, CVSS 5.4, published 5 Oct 2026) - [CVE-2026-101050: Heym Telegram webhook auth bypass](https://junglewise.ai/threats/cve-2026-101050-heym-before-0-0-53-fails-to-verify-the-x-telegram-bot-api-secret) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-101049: Heym authentication bypass in Slack webhook verification](https://junglewise.ai/threats/cve-2026-101049-heym-before-0-0-53-fails-to-verify-slack-request-signatures-when) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-100865: Heym multiple RCE and authentication bypass vulnerabilities](https://junglewise.ai/threats/cve-2026-100865-heym-before-0-0-53-contains-multiple-independent-vulnerabilities) (high, CVSS 8.8, published 27 Sep 2026) - [CVE-2026-100861: heym SSRF in credential-supplied base URLs](https://junglewise.ai/threats/cve-2026-100861-heym-before-0-0-105-fails-to-apply-egress-guards-to-integration) (medium, CVSS 5, published 27 Sep 2026) - [CVE-2026-100859: Heym credential exfiltration in credentials test endpoint](https://junglewise.ai/threats/cve-2026-100859-heym-before-0-0-106-contains-a-credential-exfiltration) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-100858: heym server-side request forgery in workflow nodes](https://junglewise.ai/threats/cve-2026-100858-heym-before-0-0-109-contains-a-server-side-request-forgery) (medium, CVSS 6.8, published 27 Sep 2026) - [CVE-2026-84207: Heym SSRF bypass in WebSocket nodes](https://junglewise.ai/threats/cve-2026-84207-heym-ssrf-bypass-in-websocket-nodes) (medium, CVSS 5.4, published 1 Sep 2026) - [CVE-2026-45227: Heym sandbox escape in Python tool executor](https://junglewise.ai/threats/cve-2026-45227-heym-sandbox-escape-in-python-tool-executor) (high, CVSS 8.8, published 12 May 2026) - [CVE-2026-45226: Heym authorization bypass in workflow execution](https://junglewise.ai/threats/cve-2026-45226-heym-authorization-bypass-in-workflow-execution) (high, CVSS 7.1, published 12 May 2026) - [CVE-2026-45225: Heym path traversal in file upload endpoint](https://junglewise.ai/threats/cve-2026-45225-heym-path-traversal-in-file-upload-endpoint) (high, CVSS 7.6, published 12 May 2026) ## Most severe Heymrun Heym vulnerabilities - [CVE-2026-45227: Heym sandbox escape in Python tool executor](https://junglewise.ai/threats/cve-2026-45227-heym-sandbox-escape-in-python-tool-executor) (high, CVSS 8.8, published 12 May 2026) - [CVE-2026-100865: Heym multiple RCE and authentication bypass vulnerabilities](https://junglewise.ai/threats/cve-2026-100865-heym-before-0-0-53-contains-multiple-independent-vulnerabilities) (high, CVSS 8.8, published 27 Sep 2026) - [CVE-2026-45225: Heym path traversal in file upload endpoint](https://junglewise.ai/threats/cve-2026-45225-heym-path-traversal-in-file-upload-endpoint) (high, CVSS 7.6, published 12 May 2026) - [CVE-2026-45226: Heym authorization bypass in workflow execution](https://junglewise.ai/threats/cve-2026-45226-heym-authorization-bypass-in-workflow-execution) (high, CVSS 7.1, published 12 May 2026) - [CVE-2026-110873: Heym privilege escalation via error_workflow_id field](https://junglewise.ai/threats/cve-2026-110873-heym-from-0-0-55-before-0-0-121-contains-a-privilege-escalation) (high, CVSS 7.1, published 14 Oct 2026) - [CVE-2026-100858: heym server-side request forgery in workflow nodes](https://junglewise.ai/threats/cve-2026-100858-heym-before-0-0-109-contains-a-server-side-request-forgery) (medium, CVSS 6.8, published 27 Sep 2026) - [CVE-2026-101050: Heym Telegram webhook auth bypass](https://junglewise.ai/threats/cve-2026-101050-heym-before-0-0-53-fails-to-verify-the-x-telegram-bot-api-secret) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-101049: Heym authentication bypass in Slack webhook verification](https://junglewise.ai/threats/cve-2026-101049-heym-before-0-0-53-fails-to-verify-slack-request-signatures-when) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-100859: Heym credential exfiltration in credentials test endpoint](https://junglewise.ai/threats/cve-2026-100859-heym-before-0-0-106-contains-a-credential-exfiltration) (medium, CVSS 6.5, published 27 Sep 2026) - [CVE-2026-84207: Heym SSRF bypass in WebSocket nodes](https://junglewise.ai/threats/cve-2026-84207-heym-ssrf-bypass-in-websocket-nodes) (medium, CVSS 5.4, published 1 Sep 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, down 86% on the four before (7). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 1 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 6 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 1 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 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, "Heymrun Heym vulnerabilities", https://junglewise.ai/threats/technologies/heym, 9 November 2026.