[NEW] [high] Langflow OSS: Multiple Vulnerabilities
An attacker can exploit multiple vulnerabilities in Langflow OSS to execute arbitrary code and execute arbitrary code with administrator privileges.
CSIRTS triage
- What
- Multiple vulnerabilities enable arbitrary code execution and privilege escalation to administrator level.
- Who is affected
- All deployments of Langflow OSS are affected, with direct remote access or authenticated paths depending on vulnerability.
- Urgency
- High severity due to unauthenticated or low-privilege code execution and administrator escalation; immediate patching required.
- Action
- Upgrade Langflow OSS to a patched version addressing CVE-2026-18729, CVE-2026-19286, and CVE-2026-19295.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2995
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-18729 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19286 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-19295 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Langflow OSS
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[NEW] [high] Langflow OSS: Multiple vulnerabilitiescert-bund · 2026-08-24
- highCVE-2026-19875: IBM Langflow OSS 1.0.0 through 1.10.0 could allow a remote attacker to overwrite administrator…nvd · 2026-08-19
- criticalCVE-2026-19297: IBM Langflow OSS 1.0.0 through 1.9.6 could allow a remote attacker to obtain unauthorized acce…nvd · 2026-08-13
- highCVE-2026-9205: IBM Langflow OSS contains a weak cryptographic key derivation vulnerability in the ensure_ferne…nvd · 2026-08-05
- highCVE-2026-9201: IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute arbitrar…nvd · 2026-08-05
- highCVE-2026-9196: IBM Langflow OSS 1.0.0 through 1.10.3 could allow an authenticated attacker to execute unintend…nvd · 2026-08-05
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