CVE-2026-5027

🗓️ 27 Mar 2026 14:54:53Reported by tenableType

cve🔗 web.nvd.nist.gov👁 16 Views🌐 WEB

Langflow path traversal allows arbitrary file write via upload by unsafely handling the filename.

Reporter	Title	Published	Views	Family All 14
GithubExploit	Exploit for CVE-2026-5027	3 Apr 202609:48	–	githubexploit
ATTACKERKB	CVE-2026-5027	27 Mar 202614:54	–	attackerkb
Circl	CVE-2026-5027	27 Mar 202617:23	–	circl
CNNVD	Langflow 安全漏洞	27 Mar 202600:00	–	cnnvd
Cvelist	CVE-2026-5027 Langflow - Path Traversal Arbitrary File Write via upload_user_file	27 Mar 202614:54	–	cvelist
EUVD	EUVD-2026-16668	27 Mar 202615:30	–	euvd
NVD	CVE-2026-5027	27 Mar 202615:17	–	nvd
Packet Storm	📄 Langflow 1.8.4 File Write / Traversal / Remote Code Execution	2 Apr 202600:00	–	packetstorm
Packet Storm	📄 Langflow 1.8.4 Traversal / Remote Code Execution	23 Apr 202600:00	–	packetstorm
Positive Technologies	PT-2026-28741	27 Mar 202600:00	–	ptsecurity

[
  {
    "vendor": "langflow-ai",
    "product": "langflow",
    "repo": "https://github.com/langflow-ai/langflow",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

Source	Link
tenable	www.tenable.com/security/research/tra-2026-26

Parameter	Position	Path	Description	CWE
filename	upload data	api/v2/files	Path traversal via multipart filename allows writing files to arbitrary locations on the filesystem.	CWE-22

30 Mar 2026 13:26Current

6Medium risk

Vulners AI Score6

CVSS 3.18.8

EPSS0.00035

SSVC

CWE-22