CVE Explorer
CVE-2026-7663
IBM Langflow OSS 1.0.0 through 1.9.6 could allow unauthenticated attackers to access protected MCP project resources and execute MCP operations due to improper authorization enforcement in the Streamable MCP transport endpoint.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"cpes":["cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*","cpe:2.3:a:ibm:langflow_oss:1.9.6:*:*:*:*:*:*:*"],"product":"Langflow OSS","vendor":"IBM","versions":[{"lessThanOrEqual":"1.9.6","status":"affected","version":"1.0.0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:60cf3305c0f0fc8a35558e7432cf6702e16765afabbcb0e5a4ad452d8128ebbb · sha256:75ecb56f818cdcd7… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:60cf3305c0f0fc8a35558e7432cf6702e16765afabbcb0e5a4ad452d8128ebbb · sha256:75ecb56f818cdcd7… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-285","description":"CWE-285 Improper Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:60cf3305c0f0fc8a35558e7432cf6702e16765afabbcb0e5a4ad452d8128ebbb · sha256:75ecb56f818cdcd7… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"tags":["vendor-advisory","patch"],"url":"https://www.ibm.com/support/pages/node/7277570"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:60cf3305c0f0fc8a35558e7432cf6702e16765afabbcb0e5a4ad452d8128ebbb · sha256:75ecb56f818cdcd7… · /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.