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    CVE-2026-55423

    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.

    Published:Jun 23, 2026
    Last Modified:Jun 24, 2026
    EPS:Jun 23, 2026
    EPSS Score:0.00154
    CVSS Score:6.1

    Affected Products

    Vendor
    Langflow
    Product
    Langflow

    Exploits

    https://github.com/langflow-ai/langflow/pull/10528https://github.com/langflow-ai/langflow/security/advisories/GHSA-7hw8-6q6r-4276

    Common Weakness Enumeration

    CWE-613 Insufficient Session Expiration

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-14470 (CVSS 6.5) — IBM Langflow OSS 1.0.0 through 1.10.2 could allow an authenticated attacker to traverse directories on the sys…
    CVE-2026-17627 (CVSS 4.9) — IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive informat…
    CVE-2026-17621 (CVSS 5.4) — IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote attacker to traverse directories on the system. An …
    CVE-2026-17622 (CVSS 6.5) — IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive informat…
    CVE-2026-17631 (CVSS 5) — IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to obtain sensitive informat…
    CVE-2026-19298 (CVSS 8.8) — IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to execute arbitrary code du…
    CVE-2026-19301 (CVSS 5) — IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive informat…
    CVE-2026-19303 (CVSS 8.1) — IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to delete arbitrary local fi…
    CVE-2026-19300 (CVSS 7.5) — IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to inc…
    CVE-2026-19299 (CVSS 6.5) — IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote authenticated attacker to obtain sensitive informat…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High