langflow-ai langflow up to 1.6.x session expiration
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 2.68 |
Summary
A vulnerability was found in langflow-ai langflow up to 1.6.x and classified as problematic. The affected element is an unknown function. The manipulation results in session expiration. This vulnerability is cataloged as CVE-2026-55423. An attack on the physical device is feasible. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability classified as problematic has been found in langflow-ai langflow up to 1.6.x. Affected is an unknown code. The manipulation with an unknown input leads to a session expiration vulnerability. CWE is classifying the issue as CWE-613. According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization." This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
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.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-55423 since 06/16/2026. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
Upgrading to version 1.7.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
Website
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.2VulDB Meta Temp Score: 5.1
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 6.1
CNA Vector (GitHub_M): 🔒
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Session expirationCWE: CWE-613
CAPEC: 🔒
ATT&CK: 🔒
Physical: Yes
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: langflow 1.7.0
Patch: github.com
Timeline
06/16/2026 CVE reserved06/23/2026 VulDB entry created
06/24/2026 Advisory disclosed
06/24/2026 VulDB entry last update
Sources
Product: github.comAdvisory: GHSA-7hw8-6q6r-4276
Status: Confirmed
CVE: CVE-2026-55423 (🔒)
GCVE (CVE): GCVE-0-2026-55423
GCVE (VulDB): GCVE-100-373104
Entry
Created: 06/24/2026 00:21Changes: 06/24/2026 00:21 (65)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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