IBM Langflow OSS Authentication Bypass in Webhooks
Langflow
IBM Langflow OSS contains an authentication bypass vulnerability allowing unauthenticated users to trigger flow execution. This advisory is noted as a duplicate of an existing advisory.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
- fix status
- Fix status unknown
- first report
- 17 Jul 2026
- last update
- 17 Jul 2026
Timeline · 1
Sources · 1
Advisories and databases
- 2026-07-17GHSA-9cc5-j3qq-69gv: Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication BypassGitHub Advisory Database · github.com/advisories/GHSA-9cc5-j3qq-69gv
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 17 Jul 2026 · first reported 17 Jul 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- record
- confidence 0.95 · created 2026-10-18 06:33Z · updated 2026-10-18 10:14Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
Copy a brief
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the brief as text
# IBM Langflow OSS Authentication Bypass in Webhooks https://gcdradar.vercel.app/incidents/ghsa-9cc5-j3qq-69gv-ibm-langflow-oss-authentication-bypass-i · AIR-2026-0041 · closed 2026-07-17 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-07-17 - AI role: Attack on AI - Products: Langflow ## Summary IBM Langflow OSS contains an authentication bypass vulnerability allowing unauthenticated users to trigger flow execution. This advisory is noted as a duplicate of an existing advisory. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-07-17: GHSA-9cc5-j3qq-69gv: Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication Bypass (https://github.com/advisories/GHSA-9cc5-j3qq-69gv) ## Sources - 2026-07-17 GitHub Advisory Database: GHSA-9cc5-j3qq-69gv: Duplicate Advisory: Unauthenticated Flow Execution via Webhook Authentication Bypass https://github.com/advisories/GHSA-9cc5-j3qq-69gv Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI