Low severity · published Oct 29, 2026
CVE-2026-104312
Langflow OSS is affected by multiple vulnerabilities
New
3.5
CVSS
–
EPSS
No
On KEV
Description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow an authenticated attacker to produce a server-generated ZIP archive containing entry paths that traverse outside the intended extraction directory. Extraction of the archive by a victim using a non-sanitizing tool could result in arbitrary file write on the victim's host.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LO
Langflow OSS · IBM
1.0.0 through 1.12.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-104312
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-104312
vendor-advisory
https://www.ibm.com/support/pages/node/7293015
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