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CVE-2026-33309

🗓️ 24 Mar 2026 12:49:16Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 79 Views🌐 WEB

Langflow 1.2.0–1.8.1 permit arbitrary file write via v2 api, causing RCE; fixed in 1.9.0.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-33309
24 Mar 202612:49
–attackerkb
circl
Circl
CVE-2026-33309
18 Mar 202620:51
–circl
cnnvd
CNNVD
Langflow Access Control Vulnerability
24 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-33309 Langflow has an Arbitrary File Write (RCE) via v2 API
24 Mar 202612:49
–cvelist
github
Github Security Blog
Langflow has an Arbitrary File Write (RCE) via v2 API
19 Mar 202617:46
–github
mend
Mend
CVE-2026-33309
24 Mar 202612:49
–mend
nvd
NVD
CVE-2026-33309
24 Mar 202613:16
–nvd
osv_cve
osv_cve
CVE-2026-33309 Langflow has an Arbitrary File Write (RCE) via v2 API
24 Mar 202612:49
–osv_cve
osv_echo
osv_echo
ECHO-6551-DA8D-A4B8
5 May 202618:23
–osv_echo
osv_ghsa
osv_ghsa
GHSA-G2J9-7RJ2-GM6C Langflow has an Arbitrary File Write (RCE) via v2 API
19 Mar 202617:46
–osv_ghsa
Rows per page
NVD
Vulners
Node
langflowlangflowRange1.2.0–1.9.0
[
  {
    "vendor": "langflow-ai",
    "product": "langflow",
    "versions": [
      {
        "version": ">= 1.2.0, < 1.9.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
multipart upload filenamerequest body/api/v2/files/Arbitrary File Write via multipart upload filename bypass in the LocalStorageService, allowing files to be written anywhere on the host system.CWE-22, CWE-284, CWE-73, CWE-94

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