Medium severity · published Jun 23, 2026
CVE-2026-55423
Langflow: Logout button does not clear session
6.1
CVSS
0.2%
EPSS
No
On KEV
Description
Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.7.0, the logout button does not clear the session. The previous user stays logged in unless another user explicitly logs in. This vulnerability is fixed in 1.7.0.
CVSS vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Physical
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 13% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LA
langflow · langflow-ai
< 1.7.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-55423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-55423
Issue Tracking
https://github.com/langflow-ai/langflow/pull/10527
Issue Tracking
https://github.com/langflow-ai/langflow/pull/10528
Vendor Advisory
https://github.com/langflow-ai/langflow/security/advisories/GHSA-7hw8-6q6r-4276
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