CVE Explorer

CVE-2026-21445

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.7.0.dev45, multiple critical API endpoints in Langflow are missing authentication controls. The issue allows any unauthenticated user to access sensitive user conversation data, transaction histories, and perform destructive operations including message deletion. This affects endpoints handling personal data and system operations that should require proper authorization. Version 1.7.0.dev45 contains

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a79dcf2b3fb07df787806d57efbd11b827f751d8c07d45f99948d7333bdc3af1

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"langflow","vendor":"langflow-ai","versions":[{"status":"affected","version":"< 1.7.0.dev45"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:8865a95383582b92d2e4e56da7aa687d9f765091f73bcb4e6cb7d8fa49d9a739 · sha256:897e6d7bb62eecc8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:P","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:8865a95383582b92d2e4e56da7aa687d9f765091f73bcb4e6cb7d8fa49d9a739 · sha256:897e6d7bb62eecc8… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:8865a95383582b92d2e4e56da7aa687d9f765091f73bcb4e6cb7d8fa49d9a739 · sha256:897e6d7bb62eecc8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"name":"https://github.com/langflow-ai/langflow/commit/3fed9fe1b5658f2c8656dbd73508e113a96e486a","tags":["x_refsource_MISC"],"url":"https://github.com/langflow-ai/langflow/commit/3fed9fe1b5658f2c8656dbd73508e113a96e486a"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8865a95383582b92d2e4e56da7aa687d9f765091f73bcb4e6cb7d8fa49d9a739 · sha256:897e6d7bb62eecc8… · /containers/cna/references/1

{"name":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-c5cp-vx83-jhqx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-c5cp-vx83-jhqx"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:8865a95383582b92d2e4e56da7aa687d9f765091f73bcb4e6cb7d8fa49d9a739 · sha256:897e6d7bb62eecc8… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer