Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV P L N N U H H N 6.1 .0019 8.9 —
AFFECTED Product Versions Fixed langflow < 1.7.0 – —
TIMELINE Jun 16 Reserved by GitHub_M Jun 23 EXPLOIT PUBLISHED — CVE-2026-55423 (langflow-ai langflow). Public exploit reference added. Jun 23 Published (CNA: GitHub_M)
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.
| Date | Event | Detail |
|---|---|---|
| June 16, 2026 | Reserved | Reserved by GitHub_M |
| June 23, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-55423 (langflow-ai langflow). Public exploit reference added. |
| June 23, 2026 | Published | Published (CNA: GitHub_M) |
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|---|---|---|---|
| langflow-ai | langflow | — | < 1.7.0 | — |
Authoritative record: CVE-2026-55423 at cve.org
Vendors: langflow-ai
Weaknesses: CWE-613
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-55423 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.