On June 16-17, 2026, four new security advisories were published for Langflow on OSV.dev, including CVEs for path...

On June 16-17, 2026, four new security advisories were published for Langflow on OSV.dev, including CVEs for path traversal (CVE-2026-42867, GHSA-79ph-745m-6wxq), IDOR/BOLA (CVE-2026-33760, GHSA-9c59-2mvc-vfr8), unauthenticated arbitrary file read (CVE-2026-48520, GHSA-rcjh-r59h-gq37), and unauthenticated RCE (CVE-2026-48519, GHSA-v5ff-9q35-q26f). Additionally, a fifth advisory for unauthenticated file upload leading to DoS and information leak (CVE-2026-55450, GHSA-x223-p2gf-v735) was published on June 17. Correspondingly, Langflow's PyPI releases show intense development activity: seven dev versions (1.11.0.dev6 through 1.11.0.dev12) were pushed between June 13 and June 19, likely addressing these vulnerabilities. The disclosure of multiple critical security flaws—especially unauthenticated RCE and file read—poses significant risk to users and undermines trust in the platform, a key concern for developer ecosystem tools. This signal indicates a material negative impact on Langflow's security posture and user confidence, potentially affecting adoption and deployment decisions.