# CVE-2026-93680: Langflow OSS is affected by multiple vulnerabilities

- Exploited (CISA KEV): no
- Published: 2026-10-29
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 2.2% (82th percentile)
- CWE: CWE-287

IBM Langflow OSS 1.0.0 through 1.12.8 could allow a remote attacker to bypass security restrictions due to improper authentication.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | No public claim | — | — |
| F5 | No public claim | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

## Social

3 posts seen since 2026-11-02.

- x 2026-11-02: IBM says critical Langflow flaws affect versions 1.0.0–1.12.8 and may enable authentication bypass or remote code execution. Version 1.13.0 fixes them; a Metasploit module for CVE-2026-93680 lists MCP tools but does not execute code. https://t.co/uVwlNVQg5Z (https://x.com/TweetThreatNews/status/2117346059110207978)
- bluesky 2026-11-02: IBM says critical Langflow flaws affect versions 1.0.0–1.12.8 and may enable authentication bypass or remote code execution. Version 1.13.0 fixes them; a Metasploit module for CVE-2026-93680 lists MCP tools but does not execute code. (https://bsky.app/profile/hendryadrian.bsky.social/post/3mze4g23obg2a)
- x 2026-11-02: Langflow (AI agents/workflows) critical unauth flaws: CVE-2026-93680 (auth bypass) & CVE-2026-110186 (RCE), CVSS 9.8. Affects 1.0.0-1.12.8. Upgrade to 1.13.0 only. https://t.co/6yHWSk1mWi (https://x.com/iamnrdas/status/2117362789589086368)

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

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