CVE-2026-12763Medium· 4.2▾ SunlitIBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context due to improper cache key isolation in the MCP Tools component.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 23.1 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Sep 15.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.1%
Last analysed / modified upstream
0.1% → 0.2%
IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context due to improper cache key isolation in the MCP Tools component.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-107366High· 8.3Langflow OSS Authorization Bypass Through User-Controlled Key
CVE-2026-12944Critical· 9.6IBM Langflow OSS 1.0.0 through 1.10.0 can allow attackers to execute arbitrary Python code with root privileges (UID=0) on the Langflow server by submitting components containing socket or urllib imports
CVE-2026-12767Medium· 6.5IBM Langflow OSS 1.0.0 through 1.11.5 is vulnerable to server-side request forgery (SSRF)
CVE-2026-12765Medium· 6.5IBM Langflow OSS 1.0.0 through 1.10.2 is vulnerable to server-side request forgery (SSRF)
CVE-2026-12766Medium· 5.4IBM Langflow OSS 1.0.0 through 1.11.2 is vulnerable to server-side request forgery (SSRF)
CVE-2026-17628Medium· 5.4IBM Langflow OSS 1.0.0 through 1.10.2 could allow a remote authenticated attacker to change the password of an account due to improper authentication.