CVE-2026-19298: IBM Langflow OSS authorization bypass remote code execution
Langflow
IBM Langflow OSS is vulnerable to an authorization bypass in the flow build process, enabling remote authenticated attackers to execute arbitrary code. Vendor advisories provide update guidance.
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
- CVSS
- 8.8
- EPSS
- 0.01 · top 41% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 4 Sep 2026
- last update
- 4 Sep 2026
- CVE ids
Timeline · 1
Sources · 1
Advisories and databases
- 2026-09-04CVE-2026-19298: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to execute arbitrary code due to an…NVD · nvd.nist.gov/vuln/detail/CVE-2026-19298
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 4 Sep 2026 · first reported 4 Sep 2026
- origin
- NVDVulnerability 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 10:04Z · updated 2026-10-18 10:04Z
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
# CVE-2026-19298: IBM Langflow OSS authorization bypass remote code execution https://gcdradar.vercel.app/incidents/cve-2026-19298-ibm-langflow-oss-authorization-bypass-remote · AIR-2026-1338 · closed 2026-09-04 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2026-09-04 - AI role: Attack on AI - Products: Langflow - CVE ids: CVE-2026-19298 - CVSS: 8.8 ## Summary IBM Langflow OSS is vulnerable to an authorization bypass in the flow build process, enabling remote authenticated attackers to execute arbitrary code. Vendor advisories provide update guidance. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2026-09-04: CVE-2026-19298: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to execute arbitrary code due to an… (https://nvd.nist.gov/vuln/detail/CVE-2026-19298) ## Sources - 2026-09-04 NVD: CVE-2026-19298: IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to execute arbitrary code due to an… https://nvd.nist.gov/vuln/detail/CVE-2026-19298 Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
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AI