CVE-2026-77819

MEDIUM CVSS 3.1: 6.5
Updated Oct 29, 2026
IBM
Parameter Value
CVSS 6.5 (MEDIUM)
Type CWE-22 (Path Traversal)
Vendor IBM
Public PoC No

IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to overwrite arbitrary files due to improper limitation of a pathname to a restricted directory.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
High
Complete data modification
Availability
None
No disruption

CVSS Vector v3.1

Weakness Type (CWE)