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CVE-2026-18904highCWE-639

Langflow is affected by multiple authentication bypass, path traversal, authorization, and server-side request forgery vulnerabilities

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.2epss 0.3%
exploitation probability
0.3%top 76% of all CVEs
observed exploitation
nono source reports it
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to obtain sensitive information and inject unauthorized messages due to a namespace collision between user identifiers.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Affected products
IBM · Langflow OSS